problem solving sums grade 3

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Unit 3: Addition, subtraction, and estimation

About this unit.

The world of math is full of twists and turns but luckily, this unit on addition, subtraction, and estimation is here to help you navigate. Whether it's mastering the art of rounding or learning how to regroup, Khan Academy is your secret weapon for success.

Rounding to nearest 10 or 100

• Rounding to the nearest 10 on the number line (Opens a modal)
• Rounding to the nearest 100 on the number line (Opens a modal)
• Rounding to nearest 10 and 100 (Opens a modal)
• Round to nearest 10 or 100 on the number line Get 5 of 7 questions to level up!
• Round to nearest 10 or 100 Get 3 of 4 questions to level up!
• Round to nearest 10 or 100 challenge Get 3 of 4 questions to level up!

Estimate to add multi-digit numbers

• Estimating when adding multi-digit numbers (Opens a modal)
• Estimate to add multi-digit whole numbers Get 3 of 4 questions to level up!

Strategies for adding two and three-digit numbers

• Breaking apart 3-digit addition problems (Opens a modal)
• Addition using groups of 10 and 100 (Opens a modal)
• Adding and subtracting on number line (Opens a modal)
• Break apart 3-digit addition problems Get 3 of 4 questions to level up!
• Add using groups of 10 and 100 Get 3 of 4 questions to level up!
• Add on a number line Get 3 of 4 questions to level up!
• Select strategies for adding within 1000 Get 3 of 4 questions to level up!

Adding with regrouping within 1000

• Using place value to add 3-digit numbers: part 1 (Opens a modal)
• Using place value to add 3-digit numbers: part 2 (Opens a modal)
• Adding 3-digit numbers (Opens a modal)
• Add within 1000 Get 3 of 4 questions to level up!

Estimate to subtract multi-digit numbers

• Estimating when subtracting large numbers (Opens a modal)
• Estimate to subtract multi-digit whole numbers Get 3 of 4 questions to level up!

Strategies for subtracting two and three-digit numbers

• Subtraction by breaking apart (Opens a modal)
• Methods for subtracting 3-digit numbers (Opens a modal)
• Break apart 3-digit subtraction problems Get 3 of 4 questions to level up!
• Subtract on a number line Get 3 of 4 questions to level up!
• Select strategies for subtracting within 1000 Get 3 of 4 questions to level up!

Subtracting with regrouping within 1000

• Worked example: Subtracting 3-digit numbers (regrouping) (Opens a modal)
• Subtracting 3-digit numbers (regrouping) (Opens a modal)
• Worked example: Subtracting 3-digit numbers (regrouping twice) (Opens a modal)
• Worked example: Subtracting 3-digit numbers (regrouping from 0) (Opens a modal)
• Subtract within 1000 Get 3 of 4 questions to level up!

Addition and subtraction missing value problems

• Missing number for 3-digit addition within 1000 (Opens a modal)
• Missing number for 3-digit subtraction within 1000 (Opens a modal)
• Find the missing number (add and subtract within 1000) Get 3 of 4 questions to level up!

Addition and subtraction word problems

• Three digit addition word problems (Opens a modal)
• Three digit subtraction word problems (Opens a modal)
• Addition, subtraction, and estimation: FAQ (Opens a modal)
• Add and subtract within 1000 word problems Get 3 of 4 questions to level up!

• Number Charts
• Multiplication
• Long division
• Basic operations
• Telling time
• Place value
• Roman numerals
• Fractions & related
• Add, subtract, multiply,   and divide fractions
• Mixed numbers vs. fractions
• Equivalent fractions
• Prime factorization & factors
• Fraction Calculator
• Decimals & Percent
• Add, subtract, multiply,   and divide decimals
• Fractions to decimals
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• Percentage of a number
• Percent word problems
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• Circle worksheets
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• Math facts practice
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• Math games and fun websites
• Interactive math tutorials
• Math help & online tutoring
• Assessment, review & test prep
• Online math curricula

Addition Word Problems Activities for 3rd Grade

Strengthen your child's addition word problems skills with interactive educational resources for addition word problems for 3rd graders online. These learning resources include fun games and worksheets with eye-catching visuals and characters. Get started to help your 3rd grader master this concept by engaging their critical thinking.

CONTENT TYPE

• Lesson Plans
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• Compare Numbers within 100 (23)
• Compare 3-Digit Numbers (10)
• Compare Multi-Digit Numbers (1)
• Order Numbers (26)
• Order 3-Digit Numbers (10)
• Even and Odd Numbers (24)
• Place Value (108)
• Read and Write Numbers (50)
• Expanded Form (5)
• 3-Digit Numbers in Expanded Form (3)
• 4-Digit Numbers in Expanded Form (1)
• 5-Digit Numbers in Expanded Form (1)
• Standard Form (8)
• 3-Digit Numbers in Standard Form (3)
• 4-Digit Numbers in Standard Form (4)
• 5-Digit Numbers in Standard Form (1)
• Word Form (3)
• 3-Digit Numbers in Word Form (1)
• 4-Digit Numbers in Word Form (1)
• 5-Digit Numbers in Word Form (1)
• Unit Form (10)
• 3-Digit Numbers in Unit Form (3)
• 4-Digit Numbers in Unit Form (4)
• 5-Digit Numbers in Unit Form (3)
• Place Value Chart (15)
• 3-Digit Numbers on Place Value Chart (13)
• 4-Digit Numbers on Place Value Chart (1)
• 5-Digit Numbers on Place Value Chart (1)
• Round Numbers (33)
• Round Numbers to the Nearest 10 (18)
• Round Numbers to the Nearest 100 (14)
• Addition (238)
• Model Addition (3)
• Addition Properties (2)
• Commutative Property of Addition (2)
• Add Using Models (3)
• Addition Strategies (47)
• Addition Strategies within 20 (10)
• Make 10 Strategy (6)
• Add Three Whole Numbers (3)
• Addition Strategies within 100 (12)
• Add using multiples of 10 (7)
• Addition Strategies within 1000 (25)
• Add using multiples of 100 (18)
• Addition Facts (6)
• Fluently Add within 20 (6)
• Equal Expressions (2)
• Addition Without Regrouping (83)
• Add within 100 without Regrouping (1)
• Add within 1000 without Regrouping (68)
• Add 3-digit number to 1-digit (10)
• Add 3-digit number to 2-digit (12)
• Add two 3-digit numbers (22)
• Add within 10000 without Regrouping (14)
• Addition With Regrouping (81)
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• Add within 1000 with Regrouping (48)
• Regroup ones and add (10)
• Regroup ones and tens and add (10)
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Addition Word Problems within 100

Solve How Many More Word Problems Game

Enter the madness of math-multiverse by exploring how to solve "How Many More" word problems.

Solve How Many Fewer Word Problems Game

Enjoy the marvel of mathematics by exploring how to solve "How Many Fewer" word problems.

Choose the Correct Equation for the Given Problem Worksheet

Solidify your math skills by choosing the correct equation for the given problem.

Solve Story Problems Using Bar Model Worksheet

Reinforce math concepts by practicing to solve story problems using bar models.

All Addition Word Problems Resources

Add 3 Numbers within 100: Summer Word Problems Worksheet

A fun summer-themed worksheet designed to help students add three numbers within 100.

Add 3 Numbers within 100: Halloween Word Problems Worksheet

Solve fun Halloween-themed word problems worksheet that challenge you to add three numbers within 100.

Add 3 Numbers within 100: Christmas Word Problems Worksheet

Engaging Christmas-themed worksheet for students to practice adding three numbers within 100.

Add 3 Numbers within 100: Shopping Word Problems Worksheet

This worksheet involves solving shopping-themed word problems by adding three numbers within 100.

Add 3 Numbers within 100: Travel Word Problems Worksheet

This worksheet helps students master adding 3 numbers within 100 using engaging travel-themed problems.

Add 3 Numbers within 100: Cooking Word Problems Worksheet

Whip up some math skills with this cooking-themed worksheet, adding 3 numbers within 100!

Add 3 Numbers within 100: Winter Word Problems Worksheet

Engaging winter-themed worksheet that helps students practice adding three numbers within 100.

Add 3 Numbers within 100: Easter Word Problems Worksheet

Engaging Easter-themed worksheet for students to practice adding three numbers within 100.

Add 3 Numbers within 100: Thanksgiving Word Problems Worksheet

Engaging Thanksgiving-themed worksheet for students to practice adding three numbers within 100.

Identify the Correct Expression for the Addition Scenario Worksheet

Boost addition skills with this worksheet on comparing word problems to find the correct expression.

Identify the Correct Addition Scenario Worksheet

Boost your child's skills with this worksheet on comparing word problems using addition scenarios.

Complete the Addition Scenario Worksheet

Boost your math skills with this worksheet on 'Add to Compare Word Problems' scenarios.

Add to Find the Answer within 20 Worksheet

Enhance your child's addition skills with this engaging worksheet on comparing word problems.

Add to Find the Answer within 50 Worksheet

Boost your math skills with our worksheet on solving addition word problems up to 50.

Add to Compare Using Multiple of 10 Worksheet

Boost math skills with this worksheet, tackling word problems using multiples of 10 for comparison.

Select the Correct Equation for Addition Scenarios Worksheet

Boost addition skills with this worksheet on choosing the correct equation for word problems.

Add to Find How Many More Worksheet

Boost your child's addition skills with this engaging worksheet on comparison word problems.

Addition Word Problems on Finding the Total Game

Learn to solve addition word problems on finding the total.

Addition Word Problems on Put-Together Scenarios Game

Use your skills to solve addition word problems on put-together scenarios.

Creating Addition Story Problems Worksheet

Help your child revise addition by creating addition story problems.

Make a Model to Represent the Problem Worksheet

Reveal the secrets of math wizardry by practicing to make a model to represent the given problem.

Solve Word Problems on Adding Three Numbers Game

Learn to solve word problems on adding three numbers through this game.

Solve Word Problems with Add to Scenarios Game

Shine bright in the math world by learning how to solve word problems with "Add to" scenarios.

Add within 1000: Summer Word Problems Worksheet

A summer-themed worksheet providing students with word problems to practice addition within 1,000.

Add 3 Numbers within 1000: Summer Word Problems Worksheet

Engaging summer-themed worksheet for students to practice adding three numbers within 1,000.

Solve Word Problems with Put Together Scenarios Game

Ask your little one to solve word problems with "Put Together" scenarios.

Add within 1000: Halloween Word Problems Worksheet

This Halloween-themed worksheet encourages students to solve word problems involving addition within 1,000.

Add 3 Numbers within 1000: Halloween Word Problems Worksheet

Halloween-themed worksheet for solving word problems involving the addition of three numbers under 1,000.

Add within 1000: Christmas Word Problems Worksheet

Engaging Christmas-themed worksheet to enhance students' skills in adding numbers up to 1,000.

Add 3 Numbers within 1000: Christmas Word Problems Worksheet

Engaging Christmas-themed worksheet requiring students to solve word problems by adding three numbers within 1,000.

Add within 1000: Shopping Word Problems Worksheet

Engaging worksheet for solving shopping-themed word problems with sums up to 1,000.

Add 3 Numbers within 1000: Shopping Word Problems Worksheet

Engaging worksheet with a shopping theme for students to practice adding 3 numbers within 1,000.

Add within 1000: Travel Word Problems Worksheet

Get set for a travel-themed adventure with this Add within 1,000 worksheet featuring word problems!

Add 3 Numbers within 1000: Travel Word Problems Worksheet

Engaging travel-themed worksheet to enhance students' skills in adding three numbers within 1,000.

Add within 1000: Cooking Word Problems Worksheet

Engage with this worksheet, using a fun cooking theme to practice adding numbers within 1,000!

Add 3 Numbers within 1000: Cooking Word Problems Worksheet

Whip up your math skills with this Add 3 Numbers within 1,000 Cooking Theme worksheet!

Add within 1000: Winter Word Problems Worksheet

Engaging worksheet featuring winter-themed word problems for students to add within 1,000.

Add 3 Numbers within 1000: Winter Word Problems Worksheet

Engaging winter-themed worksheet for students to practice adding three numbers within 1,000.

Add within 1000: Easter Word Problems Worksheet

Easter-themed worksheet for students to practice adding numbers up to 1,000 through word problems.

Add 3 Numbers within 1000: Easter Word Problems Worksheet

Easter-themed worksheet for students to solve word problems by adding three numbers under 1,000.

Add within 1000: Thanksgiving Word Problems Worksheet

A festive worksheet for students to practice adding numbers up to 1,000 with a Thanksgiving twist!

Add 3 Numbers within 1000: Thanksgiving Word Problems Worksheet

Thanksgiving-themed worksheet challenging students to add three numbers within 1,000.

Your one stop solution for all grade learning needs.

35 math problems for 3 rd graders

In 3rd grade, students are introduced to important math concepts that become the building blocks for future mathematical learning. Let’s practice those concepts with this list of math problems for 3rd graders.

Author Katie Wickliff

Published September 25, 2023

• Key takeaways
• In 3rd grade math, students develop a deeper understanding of multiplication and division, fractions, and measurements.
• Word problems for 3rd graders require more advanced comprehension skills.
• Place Value: Understanding place value helps us read and write numbers correctly and compare their values.
• Look for opportunities for your child to practice their math at home–worksheets, math games , or a math practice app will help strengthen new mathematical knowledge. While consistency is key, math practice for 3rd graders should be engaging and fun.

Table of contents

• Subtraction
• Multiplication
• Measurement
• Multi-step word problems

Answer sheet

In addition to reviewing and strengthening the skills learned in previous years, 3rd graders learn multiplication and division, explore fractions, calculate measurements, and more. Also, word problems for 3rd graders are often multi-step, requiring students to understand what operations to perform and how to perform them correctly. 

This list of 3rd grade math problems is intended to reinforce concepts students have already been taught. The list is divided into sections: addition, subtraction, multiplication, division, fractions, measurement, and multi-step problems. These sections allow students to specifically focus their practice, but feel free to skip around and choose the 3rd grade math practice problems that best suit your child’s needs. 

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Select a year group

• Kindergarten

Measurement and data

Sample questions, 35 third grade math problems, section 1: addition.

At the school carnival, Hattie won 25 tickets at ring toss and 40 tickets at balloon darts. How many tickets did she win altogether?

There are 15 baby chicks at the barn. 12 more chicks are born. How many baby chicks are at the barn now?

How can you represent the number line with an equation?

Using the number line, solve 7+ _ = 22

Amir practices basketball three days a week. On Tuesday, he practices basketball for 60 minutes. On Wednesday, he practices for 37 minutes. On Thursday, he practices for 15 minutes. Which expression shows how to find the total number of minutes Amir practiced? Circle the correct answer

Section 2: Subtraction

Using the number line, solve 17-6=

There are 224 Lions fans and 212 Tigers fans at the football game. How many more Lions fans than Tigers fans are at the game?

An animal shelter has 27 kittens available for adoption. On Friday, 8 kittens are adopted. How many kittens are left at the shelter?

Gemma has 130 beads for bracelets. She gives 75 beads to Piper and 6 beads to Claire. Which expression shows how to find the total number of beads Gemma has left? Circle the correct answer.

Using the number line, solve 30- _ = 14

Section 3: Multiplication

Using the picture below, write a multiplication equation to find the number of shapes

Francis and Jane are playing a card game. Francis has 7 cards. Jane has 3 times as many cards as Francis. How many cards does Jane have?

Using the number line to show hops, complete the multiplication sentence

Solve the equation

Mariela has 8 pages of math homework. There are 4 problems on each page. How many total problems does Mariela have for math homework?

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Section 4: Division

Connor has 80 crayons that he will put into crayon boxes. Each crayon box can hold 8 crayons. How many crayon boxes does he need?

Using the number line to show hops, complete the division sentence

Natalie divided 12 marbles into equal groups of 3. Draw a representation to show equal grouping.

Craig’s mom brought 12 cookies to the soccer game. She shared them equally among Craig and 3 teammates. Which expression will solve the problem correctly? Circle the answer.

Section 5: Fractions

Using the number line, work out what A, B and C represent.

Plot ¼ on this number line:

A cheese pizza has 8 slices. Marco ate 2 of the slices. His dad at the rest.  What fraction of the pizza did Marco eat? What fraction of the pizza did his dad eat?

There are 15 flowers in a garden. 10 flowers are yellow and the rest are red. What is the fraction of red flowers in the garden?

Using the number line, find the value of K and L. Which is bigger?

Section 6: Measurement

A school bus is 12 feet long and a car is 4 feet shorter than the bus. How long is the car?

John is 64 inches tall, Mabel is 59 inches tall, and Phoebe is 57 inches tall. How much taller is John than Phoebe?

Use the ruler provided to measure to the nearest ¼ inch:

Find the area of the square below

Find the perimeter of the rectangle below

Section 7: Multi-step word problems

Sarah has two $10 bills. Her sister has one $5 bill. They combine their money to buy a game that costs $22 dollars. How much change will they receive?

Dad baked 36 cookies for the bake sale. Jonas baked 24 cookies for the bake sale. His brother ate 5 cookies before the bake sale started. How many cookies do they have left to sell?

The school bus seats 75 students in all. On Friday, the school bus was full. At the first stop, 7 students got off. At the second stop, 15 students got off. How many children were left on the bus?

George has 25 water balloons. He wants to divide the water balloons equally between himself and 2 friends. How many water balloons will each get? Will there be any water balloons left over?

On Monday, 5 inches of snow fell. On Tuesday, 3 inches of snow fell. On Wednesday, 7 inches of snow fell. The school will have a snow day if it snows 21 inches or more. How many more inches would it have to snow for the school to have a snow day?

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Addition answers

25+40= 65. Hattie won 65 tickets

15+12= 27. 27 baby chicks are at the barn

7+ 15= 22. This should be represented by 15 “hops” on the number line

Subtraction answers

17-6=11. This should be represented by 11 “hops” on the number line

224-212= 12. There are 12 more Lions fans than Tiger fans

27-8= 19. There are 19 kittens left at the shelter.

Multiplication answers

2×3=6; 3×2=6

7×3=21. Jane has 21 cards.

8×4= 32

Division answers

40÷8= 5. It will take Max 5 days to pay Bennett.

Drawing should show 3 groups of 4 marbles each.

Fractions answers

The ¼ should be plotted on the point between 0 and ½

Marco ate 2/8 (or ¼) of the pizza. His dad ate 6/8 (or ¾) of the pizza

5/15 (or ⅓)

K= ⅜, L= 6/8 (or ¾). L is larger.

Measurement answers

12-4=8. The car is 8 feet long.

64-57=7. John is 7 inches taller than Phoebe

8×8=64. The area is 64 yd2

8+8+2+2=20 cm

Multi-step word answer answers

$10+$10= $20. 

$20+$5=$25.

$25-$22= $3

 Sarah and her sister will receive $3 in change

They have 55 cookies left to sell

53 students are left on the bus

George and his friends each get 6 water balloons, with one left over.

• 5 in+ 3 in+ 7 in= 15 in

21 in- 15 in= 6 in

It must snow 6 more inches to get a snow day. 

Lesson credits

Katie Wickliff

Katie holds a master’s degree in Education from the University of Colorado and a bachelor’s degree in both Journalism and English from The University of Iowa. She has over 15 years of education experience as a K-12 classroom teacher and Orton-Gillingham certified tutor. Most importantly, Katie is the mother of two elementary students, ages 8 and 11. She is passionate about math education and firmly believes that the right tools and support will help every student reach their full potential.

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Problem Solving Strategies for Grade 3

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3rd Grade Math Worksheets: Addition

Free addition worksheets from k5 learning.

Our 3rd grade addition worksheets include both " mental addition problems" intended for students to solve in their heads and multi-digit column form addition questions giving practice in computational skills.

Sample Grade 3 Addition Worksheet

More addition worksheets

Find all of our addition worksheets , from adding by counting objects  to addition of multiple large numbers in columns.

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Division Worksheets Grade 3 Solving Division Problems

Welcome to our Division Worksheets Grade 3 page.

Here you will find a wide range of free 3rd Grade Division Worksheets, which will help your child learn to solve division problems across a range of different contexts.

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Division Worksheets Grade 3

Solving division problems.

The worksheets on this page have been designed to support your child on their division journey from the start of 3rd grade to the end.

The first two sheets involve drawing out different amounts in groups and solving simple problems which do not require any reasoning skills.

Sheets 3 to 5 involve understanding and working out division word problems that require a little more reasoning and thinking about.

Sheets 6 and 7 are the most complicated and involve division problems with remainders. In order to solve the word problem, the remainder needs to be rounded up or down, depending on the context.

Division Worksheets Grade 3 - Worksheets

Simple division worksheets problems.

• Division Problems Sheet 3.1
• PDF version
• Division Problems Sheet 3.2

Medium Level Division Word Problems

• Division Problems Sheet 3.3
• Division Problems Sheet 3.4
• Division Problems Sheet 3.5

Harder Division Problems (interpreting remainders)

• Division Problems Sheet 3.6
• Division Problems Sheet 3.7

Looking for some harder Division worksheets

Our 4th grade division worksheets are similar to those on this page but at a more challenging level.

The links below will take you to our division worksheets for 4th grade.

These sheets involve solving a range of division problems.

• Division Worksheets Grade 4 Word Problems
• Divding by Multiples of 10 and 100 Worksheets
• 4th Grade Long Division Worksheets

More Recommended Math Worksheets

Take a look at some more of our worksheets similar to these.

More Division Worksheets

• Divide a 2 digit number by a single digit;
• Use remainders when dividing;
• Calculate division facts related to multiplication facts.
• Division Facts to 10x10 Worksheets
• Long Division Worksheets 3rd Grade
• Division Facts Worksheets (randomly generated)

More 3rd Grade Math Word Problems

Here are a range of problems solving sheets for 3rd graders. Most of the sheets contain 'real-life' problems which involve real data.

Using the sheets will help your child to:

• apply their addition, subtraction, and multiplication skills;
• develop their knowledge of fractions;
• apply their knowledge of rounding and place value;
• solve a range of 'real life' problems.

All the 3rd grade sheets in this section support Elementary math benchmarks.

These sheets involve solving one or two more challenging longer problems.

• 3rd Grade Math Problems

These sheets involve solving many 'real-life' problems involving data.

• Math Word Problems for kids 3rd Grade
• 3rd Grade Addition and Subtraction Word Problems (3- and 4-digits)

These sheets involve solving a range of multiplciation problems.

• Multiplication Word Problem Worksheets 3rd Grade
• Third Grade Math Games

Here you will find a range of free printable Third Grade Math games. All children like to play Math games, and you will find a good range of 3rd Grade Math Games here for your child to play and enjoy.

The following games involve different Third Grade Math activities which you and your child can enjoy together.

All the free Third Grade Math sheets in this section are informed by the Elementary Math Benchmarks for Third Grade.

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The Math Salamanders hope you enjoy using these free printable Math worksheets and all our other Math games and resources.

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