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Number Year 6 Block 2 Week 5 - factors and common factors

Number Year 6 Block 2 Week 5 - factors and common factors

Subject: Mathematics

Age range: 7-11

Resource type: Worksheet/Activity

Eg's Shop

Here you will find high quality resources that can be used in Mathematics and English lessons together with worksheets, presentations and lesson ideas.

Last updated

4 April 2022

factors problem solving year 6

Factors, common factors and the highest common factor for Year 6 from Block 2 - Week 5

Differentiated worksheets with reasoning and problem solving for the rest of this week can be found here: https://www.tes.com/teaching-resource/number-year-6-block-2-week-5-factors-multiples-primes-prime-factors-square-numbers-and-cubes-12181791

In this lesson, pupils will gain fluency practice when finding factors, common factors and the highest common factor.

The resources are differentiated.

Answers are provided.

All lessons will fit in with White Rose planning.

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35 SATs Maths Questions And Answers With Worked Examples: Essential Maths Reasoning Practice For Year 6 [FREE]

Anantha Anilkumar

Anantha Anilkumar

For Year 6, the toughest of their SATs maths questions are the reasoning questions. 

With SATs 2023 coming up, your pupils need plenty of SATs exam practice to be familiar with both the types of SATs reasoning questions that can come up and the skills needed to answer them.

So here to make life easy for you we’ve put together a collection of 35 SATs maths questions, organised by the sorts of question that pupils can expect to encounter.

All these practice SATs questions have been based on questions from past SATs papers, our own free year 6 maths SATs papers , and our collections of year 6 reasoning questions that we put together for our Rapid Reasoning resource and which can help build stamina in maths .

The answers are all taken from the answer sheets we provide for each test paper.

Why The Focus On Maths Reasoning Questions For SATs? 

Ever since the new national curriculum Key Stage 2 SATs in 2016, the emphasis in the all SATs papers has been very much on SATs reasoning questions. While there is one arithmetic paper, there are two reasoning papers; and the variety, breadth and level of challenge in the reasoning paper continues to impress us.

Most Year 6 pupils find the reasoning SATs maths questions the hardest part of these maths papers. Unsurprisingly! We teach thousands of pupils every week in the run up to SATs, and teaching them maths reasoning skills at KS2 is a big part of what we do.

We even recently took the decision to restructure our SATs lessons to introduce maths reasoning questions earlier in the learning journey as the level of challenge just at the end of the lesson was too high. So we feel the Year 6 teacher’s pain!

Whatever level pupils go on to perform at in maths, maths reasoning questions and numerical reasoning tests (such as those used by grammar and private schools) are likely to be a part of the practice they require.

If you find you have children in your class with much further to catch-up than the others then we may be able to support them with some personalised one to one tuition if you get in touch shortly.

35 SATs Maths Questions For KS2 Year 6 SATs

For the KS2 SATs tests, there are 7 types of maths reasoning question that are likely to come up:

For each of these types we’ll examine an example SATs maths question from a previous SATs paper, looking at the question, the correct answer, and how to go about answering this question.

We’ll also look at further examples of each type of maths reasoning questions and answers from Third Space’s Rapid Reasoning resource, again with worked examples and an explanation of how to answer each.

Finally, at the end of this article we provide links to further Year 6 maths questions and assessments that you may find useful including plenty of arithmetic practice too.

Our aim is to provide you as part of your SATs practice with a sample of the types of KS2 SATs questions pupils can expect in the reasoning papers and how to teach the reasoning and problem solving  skills they’ll need to answer them.

For more word problems like this, check out our collection of 2-step and multi-step word problems for you as well as tips on how to use the bar model to answer Year 6 word problems . For advice on how to teach children to solve problems like this, check out these maths problem solving strategies.

SATs Maths Question Type 1: Single step worded problems

The simplest type of reasoning question pupils are likely to encounter in the reasoning papers, single step problems are exactly that: pupils are asked to interpret a written question and carry out a single mathematical step to solve it.

Have a look at the question below:

Reasoning Question 1

sats 2018 reasoning 2 q11b

Answer: 65p

A relatively easy question to interpret and solve – the first step is to recognise £2 and £1.35 as equivalent to 200 and 135. From here the simple mathematical step is subtraction i.e. 200-135=65.

The most crucial skill for primary school pupils in this question is a solid understanding of money as relating to place value. If this understanding is present, the mathematical step itself is quite easy.

Below are several more examples, taken from Third Space Learning’s Rapid Reasoning resources:

Reasoning Question 2

maths reasoning rr single step q2

Answer : 7 hours 24 minutes

Pupils need to understand that one hour is equal to 60 minutes. From here the single mathematical step is short division: 444/60, with a remainder.

Reasoning Question 3

maths reasoning rr single step q3

Answer : 48 cm 3

Pupils must calculate length by breadth by height, using the figures provided by the question.

Reasoning Question 4

rr single step q4

Answer : 124 cm

A simple enough calculation (doubling) if pupils are aware that the diameter is twice the radius.

Reasoning Question 5

rr single step q5

Answer : 7,590

A single, relatively simple rounding problem – pupils should recognise that ’94’ is the operative part of this figure.

SATs Maths Question Type 2: Multiple step worded problems

A more complex version of the single step worded problem, multi-step problems require pupils to interpret a written problem, but solving it then requires the use of two or three maths skills,

For example, consider this question from the 2019 KS2 maths SATs:

sats 2019 maths reasoning 3 q16

Answer: £1.85

This question encompasses three different maths skills: multiplying (and dividing) mixed numbers, addition and subtraction. Pupils can choose to work out the multiplication or division first, but must complete both before moving on.

Once these values have been worked out the next steps are relatively simple – adding the two values together, and subtracting the total from £5.

Multi-step problems are particularly valuable to include in practice tests because they require children to apply their knowledge of maths language and their reasoning skills several times across the course of a single question, usually in slightly different contexts.

More examples:

rr multistep q2

Answer : £5,520

There are two steps to this problem, but both are multiplications. The first is to work out how much money is made per day – 92 x £15. This sum is then multiplied by 4 – the number of days – to get to the solution.

rr multistep q3

Answer : 2,160 km

Another two step problem. The first step is to work out 10% of 5400 km. Then multiply this by 4 to solve 40%.

maths reasoning rr multistep q4

Answer : £43.50

There are three steps involved in solving this problem: multiplication (doubling £51 and £36 to find the cost of two adult and two child tickets), addition (putting the two costs together) and division (dividing the total by four to obtain the mean cost).

Given the number of steps involved it can be easy for pupils to make arithmetic mistakes, and the mark scheme accounts for this by allowing for one mistake – but no more.

maths reasoning rr multistep q5

Answer : 11.45 kg

A two-step problem again: multiplying 3.45 kg by 4, then subtracting 2.35 kg from the total. As with the previous problem, the mark scheme again allows for at most one arithmetic error, assuming the method is correct.

Year 6 Rapid Reasoning (Weeks 1-6)

Year 6 Rapid Reasoning (Weeks 1-6)

Download 6 weeks of Rapid Reasoning slides for your Year 6 pupils and help them get a head start on preparing for the SATs reasoning papers.

SATs Maths Question Type 3: Problems involving measures

As their name suggests, these questions ask pupils to solve a problem that includes one or more units of measurement.

Third Space Learning Tutoring Slide on problem solving using measurements

Take a look at this question from 2018’s Reasoning Paper 3:

sats 2018 reasoning 3 q13

Answer: 40 washes

This is a two step problem; pupils must first be able to read and convert kilograms to grams (and therefore know the relationship between the two units), then divide 2600 by 65 to work out the number of washes possible.

Questions involving measures tend to be few in number in the KS2 exam papers, but they often provide an excellent way to couch key maths skills such as the four operations.

Further examples:

rr measures q2

Answer : 50g

A relatively simple division problem, relying on pupils having knowledge that 200g is one fifth of a kilogram.

rr measures q3

Answer : 1.1kg

Another three step problem – multiplying 500 by 4 to get the total mass of the four melons, multiplying 300 by 3 to get the total mass of the remaining three melons, and then subtracting 2000 from 900 to obtain the mass of the fourth melon.

It’s worth noting that the mark scheme allows either 1.1kg or 1,100g as acceptable answers – the units of measurement are not as important as obtaining the current figure.

maths reasoning rr measures q4

Answer : 216cm

Interesting to note that in this problem (unlike the previous example), the units for the answer are specified – an answer given in metres will be marked as wrong, since cm is specified in the answer box. This is why we encourage pupils to keep an eye on whether units are provided in the answer box.

maths reasoning rr measures q5

Answer : 170g

As with the melon question there are three steps involved to solve this problem: working out the mass of the four cars (4 x 80), working out the mass of the remaining three cars (3 x 50) and subtracting 150 from 320 to get the mass of the fourth car.

SATs Maths Question Type 4: Problems involving drawing

Problems involving drawing require pupils to construct an  accurate  drawing by following a set of instructions, or through reflection, translation, or scaling.   

This type of question is quite rare, but there are some notable exceptions, such as the infamous Question 21 in Paper 2 of the 2019 Reasoning SATs:

sats 2019 reasoning 2 q 21

Answer: Any pair of lines that make a square of 4 units, a rectangle of 6 units, and a square of 25 units.

This question is considerably more complex than it appears, and incorporates aspects of multiplication as well as spatial awareness. One potential solution is to work out the area of the card (35), then work out the possible square numbers that will fit in (understanding that square numbers produce a square when drawn out as on a grid), and which then leave a single rectangle behind.

A lot of work for a single mark!

Some further examples:

rr drawing q2

Answer : Any quadrilateral made by joining the dots that has 3 acute angles e.g. an arrowhead shape.

rr drawing q3

Answer : An accurately drawn angle.

The mark scheme here allows some room for error – “between 34 and 36 degrees” is acceptable .

maths reasoning rr drawing q4

As with the question above, a small amount of room for error is given – “between 139 and 141 degrees”.

maths reasoning rr drawing q5

Answer : a new triangle drawn with points at (2,1), (5,1) and (2,4).

Translation can be tricky for pupils. Encourage them to look at the triangle as three points, and to translate each point separately rather than trying to move ‘the whole triangle’.

SATs Maths Question Type 5: Explanation questions

An early form of the ‘Prove X’ questions that come up in GCSEs, these problems ask children to explain a mathematical statement or error.

As an example:

sats 2019 reasoning 3 q23

Answer: If the distance from P to R is 800m and the distance from P to Q is (Q -> R x 4), it must be 4/5 of 800 = 640m. Therefore Olivia is wrong.

More than most problems, this type requires pupils to actively demonstrate their  reasoning skills  as well as their mathematical ones. Here pupils must articulate either in words or (where possible) numerically that they understand that Q to R is 1/5 of the total, that therefore P to Q is 4/5 of the total distance, and then calculate what this is via division and multiplication.

Further examples from TSL’s Rapid Reasoning resources:

rr explain q1

Answer : No; 20/100 is the same as 20 divided by 100, which equals 0.2.

rr explain q2

Answer : No; multiplication and division have the same priority, so in a problem like 40 x 6 ÷2, you would carry out the multiplication first as it occurs first.

The mark scheme notes that vague answers or any answers with a mathematical error are unacceptable.

maths reasoning rr explain q4

Answer : No

Any explanation that provides a counter-example is acceptable e.g. “Not if the number is 1”, “Not for 0” etc.

maths reasoning rr explain q5

Answer : Any answer that refers to the fact that there is a 5 in the hundreds place, AND a 9 in the thousands place, so that the number has to be rounded up as far as the ten-thousands place.

SATs Maths Question Type 6: Sequence questions

Another relatively simple kind of reasoning question, sequence problems involve pupils completing mathematical sequences.

Consider this example:

2018 sats maths reasoning 3 q1

Answer:   35 , 42, 49,  56 , 63,  70

Number sequence questions, particularly those that involve linear sequences or (as in this case) times tables, come up relatively frequently in the SATs maths tests. The question’s instructions point clearly to the solution: work out what the increase between numbers is, then apply this via addition or subtraction to find the missing numbers.

Higher attaining pupils might quickly pick up that this is in fact the 7 times table and rely on their knowledge of multiplication facts to obtain the answer – this should be encouraged so long as they then check their answer in the normal method to ensure they haven’t made a mistake.

rr sequences q2

Answer(s) : 5/8 and 2 1/8 (OR 17/8)

Both answers must be correct to receive the mark. Pupils must recognise that 3/4 is the same as 6/8, so that the following number must be three eighths higher.

rr sequences q3

Answer(s) : -19 and 9

maths reasoning rr sequences q4

Answer(s) : 128, 135 and 156.

maths reasoning sequences q5

Answer(s) : -10 and 22

This question can be a little tricky; pupils need to work out that the marks on the line represent increments of 4, and count backwards and forwards in 4s to obtain the missing numbers.

SATs Maths Question Type 7: Ordering questions

A slightly more complex variation of the sequence question, ordering problems require pupils to put a set of numbers, fractions or measures in the correct order.

A good example is this question from Paper 2 of the 2018 SATs:

sats 2018 maths reasoning 2 q14

Answer: 3/5, 3/4, 6/5

This question throws a stick in the wheels by including an improper fraction, but this is hardly unusual. These sorts of questions are just the place to find other ‘curveballs’ such as equivalent fractions, mixed numbers and decimals and fractions combined.

A good knowledge of the fundamentals of fractions is essential here: pupils must understand what a larger denominator means, and the significance of a fraction with a numerator greater than its denominator.

rr ordering q2

Answer : D,C,A,B

Encourage pupils to convert all the fractions to one denominator value to make ordering easier.

rr ordering q3

Answer : (descending down the ‘Place’ column) 3rd, 5th, 2nd, 4th

As with the example above, pupils should be encouraged to convert the fractions to make it easier to order them.

maths reasoning rr ordering q4

Answer : C, B, D, A

maths reasoning rr ordering q5

Answer : D, A, C, B

7 Top Tips For Answering SATs Questions

Now that we’ve covered how to answer some specific types of reasoning questions, here are some more generic tips for success in the reasoning papers. They may not all be applicable to every single question type, but will apply to at least two, usually more.

More SATs Questions and Maths Revision Resources

Online 1-to-1 maths lessons trusted by schools and teachers Every week Third Space Learning’s maths specialist tutors support thousands of pupils across hundreds of schools with weekly online 1-to-1 lessons and  maths interventions  designed to plug gaps and boost progress. Since 2013 we’ve helped over 80,000 primary and secondary school pupils become more confident, able mathematicians.  Learn more  or  request a personalised quote  to speak to us about your school’s needs and how we can help.

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FREE KS2 maths SATs practice papers

Get ready for SATs with this set of 6 maths SATs practice papers designed to help your Year 6 pupils improve test skills and build confidence.

Includes: - 2 arithmetic and 4 reasoning papers that follow the National Curriculum Assessments. - Mark schemes to diagnose and assess where your pupils need extra support.

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Resources tagged with: NC Yr 6

Filter by: Content type: ALL Problems Articles Games Age range: All 5 to 11 7 to 14 11 to 16 14 to 18 Challenge level:

There are 50 NRICH Mathematical resources connected to NC Yr 6 , you may find related items under NC .

factors problem solving year 6

4 by 4 Mathdokus

Age 7 to 14 challenge level.

Can you use the clues to complete these 4 by 4 Mathematical Sudokus?

factors problem solving year 6

Different Deductions

Age 7 to 11 challenge level.

There are lots of different methods to find out what the shapes are worth - how many can you find?

factors problem solving year 6

Name That Triangle!

Can you sketch triangles that fit in the cells in this grid? Which ones are impossible? How do you know?

factors problem solving year 6

Number Lines in Disguise

Some of the numbers have fallen off Becky's number line. Can you figure out what they were?

factors problem solving year 6

Price Match

Can you find pairs of differently sized windows that cost the same?

factors problem solving year 6

Finding 3D Stacks live

Can you find a way of counting the spheres in these arrangements?

factors problem solving year 6

Extending Fraction Bars

Can you compare these bars with each other and express their lengths as fractions of the black bar?

factors problem solving year 6

More Fraction Bars

What fraction of the black bar are the other bars? Have a go at this challenging task!

factors problem solving year 6

Always, Sometimes or Never? Shape

Are these statements always true, sometimes true or never true?

factors problem solving year 6

Always, Sometimes or Never? Number

factors problem solving year 6

Round the Three Dice

What happens when you round these three-digit numbers to the nearest 100?

factors problem solving year 6

Round the Four Dice

This activity involves rounding four-digit numbers to the nearest thousand.

factors problem solving year 6

Use the information on these cards to draw the shape that is being described.

factors problem solving year 6

Dicey Perimeter, Dicey Area

In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?

factors problem solving year 6

Domino Sets

How do you know if your set of dominoes is complete?

factors problem solving year 6

Making Spirals

Can you make a spiral for yourself? Explore some different ways to create your own spiral pattern and explore differences between different spirals.

factors problem solving year 6

Round a Hexagon

This problem shows that the external angles of an irregular hexagon add to a circle.

factors problem solving year 6

Have a look at this data from the RSPB 2011 Birdwatch. What can you say about the data?

factors problem solving year 6

So It's Times!

How will you decide which way of flipping over and/or turning the grid will give you the highest total?

factors problem solving year 6

After training hard, these two children have improved their results. Can you work out the length or height of their first jumps?

factors problem solving year 6

Button-up Some More

How many ways can you find to do up all four buttons on my coat? How about if I had five buttons? Six ...?

factors problem solving year 6

Counting Cogs

Which pairs of cogs let the coloured tooth touch every tooth on the other cog? Which pairs do not let this happen? Why?

factors problem solving year 6

Doughnut Percents

A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.

factors problem solving year 6

Next Size Up

The challenge for you is to make a string of six (or more!) graded cubes.

factors problem solving year 6

It Was 2010!

Age 5 to 11 challenge level.

If the answer's 2010, what could the question be?

factors problem solving year 6

Age 7 to 16 Challenge Level

What can you see? What do you notice? What questions can you ask?

factors problem solving year 6

Treasure Hunt

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

factors problem solving year 6

First Connect Three

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

factors problem solving year 6

This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?

factors problem solving year 6

Factor-multiple Chains

Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?

factors problem solving year 6

Fraction Fascination

This problem challenges you to work out what fraction of the whole area of these pictures is taken up by various shapes.

factors problem solving year 6

Triangles All Around

Can you find all the different triangles on these peg boards, and find their angles?

factors problem solving year 6

Diagonal Sums

In this 100 square, look at the green square which contains the numbers 2, 3, 12 and 13. What is the sum of the numbers that are diagonally opposite each other? What do you notice?

factors problem solving year 6

Ten Hidden Squares

These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?

factors problem solving year 6

Orange Drink

A 750 ml bottle of concentrated orange squash is enough to make fifteen 250 ml glasses of diluted orange drink. How much water is needed to make 10 litres of this drink?

factors problem solving year 6

Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?

factors problem solving year 6

Sponge Sections

You have been given three shapes made out of sponge: a sphere, a cylinder and a cone. Your challenge is to find out how to cut them to make different shapes for printing.

factors problem solving year 6

Factor Lines

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

factors problem solving year 6

Would You Rather?

Would you rather: Have 10% of £5 or 75% of 80p? Be given 60% of 2 pizzas or 26% of 5 pizzas?

factors problem solving year 6

Plenty of Pens

Amy's mum had given her £2.50 to spend. She bought four times as many pens as pencils and was given 40p change. How many of each did she buy?

factors problem solving year 6

Mystery Matrix

Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.

The Moons of Vuvv

The planet of Vuvv has seven moons. Can you work out how long it is between each super-eclipse?

factors problem solving year 6

Where Are They?

Use the isometric grid paper to find the different polygons.

Rectangle Tangle

The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?

factors problem solving year 6

Pumpkin Pie Problem

Peter wanted to make two pies for a party. His mother had a recipe for him to use. However, she always made 80 pies at a time. Did Peter have enough ingredients to make two pumpkin pies?

Quadrilaterals

How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?

factors problem solving year 6

Two and Two

Age 11 to 16 challenge level.

How many solutions can you find to this sum? Each of the different letters stands for a different number.

factors problem solving year 6

Making Cuboids

Let's say you can only use two different lengths - 2 units and 4 units. Using just these 2 lengths as the edges how many different cuboids can you make?

Round and Round the Circle

What happens if you join every second point on this circle? How about every third point? Try with different steps and see if you can predict what will happen.

factors problem solving year 6

Doplication

We can arrange dots in a similar way to the 5 on a dice and they usually sit quite well into a rectangular shape. How many altogether in this 3 by 5? What happens for other sizes?

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Factors problem solving year 4

It contains a fabulous set of worksheets that will keep a child focused and engaged with fluency, reasoning and problem-solving questions about factor pairs.

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Factors and Multiples Worksheet

Factor pairs year 4 multiplication and division resource pack.

Questions 1, 4 and 7 (Problem Solving) Developing Find the missing number from a given factor pair and clues. Includes known facts of the 3, 4, 6 and 8 times

Year 4 Factor Pairs Varied Fluency

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factors problem solving year 6

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Using scale factors

Home learning focus.

Learn how to use scale factors to enlarge shapes using your multiplication and division knowledge.

This lesson includes:

A scale factor is when you enlarge a shape and each side is multiplied by the same number. This number is called the scale factor.

Maps use scale factors to represent the distance between two places accurately. Without the scale, the map would just be a drawing.

Scale factors are also used by architects when they are drawing plans for a new house or building. The scale factor lets the constructors know the accurate length and height of what they are building. Watch this video to find out more.

Look at these two shapes.

If A is the original shape, what has happened to each side to create B ?

Each side has doubled in length so it has been multiplied by 2. This means A has been enlarged by a scale factor of 2 .

What is the scale factor of enlargement from shape A to B ?

Look at the relationship between the two measurements.

Use your times tables knowledge - what do you multiply 3 by to get 33?

3 cm x ___ = 33 cm

You multiply by 11!

The scale factor is 11 .

You can also use scale factors to find out the original measurement of a shape. Just use the inverse of multiplication, which is division.

Work out the original length of a side that had been enlarged by a scale factor of 7.

You already know what the result of the enlargement is (49 cm) and that the scale factor is 7.

Remember, when enlarging a shape, you multiply the original length by the scale factor:

original length x 7 = 49 cm

You can work backwards and use the inverse operation which is division:

49 ÷ 7 = 7 cm

The original size of the length before enlargement is 7 cm .

Practise using scale factors in this quiz. If you have a printer at home, here's some squared paper you can download to help with today's activity.

See if you can put what you learned about scale factor to the test with this quiz.

Practise what you know about scale factors in this worksheet from Twinkl.

Scale factors worksheet

Scale factors worksheet

from Twinkl

Click here for the answer sheet

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factors problem solving year 6

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Common Factors Year 6 Four Operations Resource Pack

Common Factors Year 6 Resources

Step 9: Common Factors Year 6 Resource Pack

Common Factors Year 6 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for Autumn Block 2.

factors problem solving year 6

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What's included in the pack?

This pack includes:

National Curriculum Objectives

Mathematics Year 6: (6C5)  Identify common factors, common multiples and prime numbers

Differentiation: Varied Fluency Developing Questions to support understanding common factors, using knowledge of the 2, 3, 4, 5 and 10 times tables. Expected Questions to support understanding common factors, using knowledge of times tables up to 12. Greater Depth Questions to support finding common factors beyond 12, as well as the lowest common factor, using knowledge of known times tables facts.

Reasoning and Problem Solving Questions 1, 4 and 7 (Reasoning) Developing Explain which number is the odd one out when investigating common factors using knowledge of the 2, 3, 4, 5 and 10 times tables. Expected Explain which number is the odd one out when investigating common factors using knowledge of times tables up to 12. Greater Depth Explain which number is the odd one out when investigating common factors beyond 12 using knowledge of known times tables facts.

Questions 2, 5 and 8 (Problem Solving) Developing Find the pair of numbers with the most common factors up to a given number. Includes common factors using knowledge of the 2, 3, 4, 5 and 10 times tables. Expected Find the pair of numbers with the most common factors up to a given number. Includes using knowledge of times tables up to 12. Greater Depth Find the pair of numbers with the most common factors up to a given number.

Questions 3, 6 and 9 (Reasoning) Developing Prove the solution to a word problem by finding common factors using knowledge of the 2, 3, 4, 5 and 10 times tables. Expected Prove the solution to a word problem by finding common factors using knowledge of times tables up to 12. Greater Depth Prove the solution to a word problem by finding common factors beyond 12 using knowledge of known times tables facts.

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