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2nd and 3rd Grade Addition Strategies Resources

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Addition to 20 Check-in

Simplify the seemingly complex task of three digit addition with the following number line activity.


Three-Digit Addition on a Number Line

Looking for a worksheet that practices addition and subtraction skills? This printable works with fact families and common denominators.

Fact Families

Subtraction fluency within 20 is the focus of this guided lesson for second graders. Kids will be tasked with mental subtraction, as well as with using manipulatives and drawings to add and subtract larger numbers. Word problems will help to round out the lesson, as kids follow the step-by-step method of solving subtraction word problems. For even more practice in this skill, check out our subtraction worksheets.

Subtraction 3

Addition

In this lesson, kids are given different strategies for finding the sum of two numbers. Addition strategies such as these help third graders gain a deeper understanding of, and fluency with, this operation. The lesson features guided instruction and plenty of practice problems to apply what is being learned. For even more practice, try our third grade addition worksheets recommended to accompany this lesson.

Addition 4

Help students get a grasp on mentally adding or subtracting 10 from a multiple of 10 with this fun BINGO game!

Mental Math Bingo!

This year, second graders will be introduced to the concept of multiplication using repeated addition. For example, they will learn that 5+5+5+5+5 is the same thing as saying 5x5. This guided lesson will use manipulatives to teach kids about repeated addition and give them plenty of opportunities to practice addition within 100. Download and print the accompanying worksheets for even more addition practice.

Addition 3

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Compose and Decompose Within 20

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

Find the Missing Number

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Addition Within 1000 Check-in

Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

Decompose to Add: Two Digits Within 20

Not only does this worksheet bolster kids' addition skills, it's a great mental math exercise, too.

Quick Addition: Adding Four Numbers

All aboard! Kids solve addition problems on a number line using 1, 10, and 100 unit manipulatives.

Three-Digit Addition: Train Edition

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Practice Adding Three-Digit Numbers on an Open Number Line

This game is the perfect way to prepare your child for any shopping adventures you may embark upon, all while practicing important math concepts.

Black Friday

This addition worksheet teaches your kid one way to solve multiple-step word problems by using a number line.

Multi-Step Addition Word Problems

The hundreds chart is great for adding tens. Help Stephanie figure out how many beads she bought by moving down the chart.

Adding 10s on the Hundreds Chart

This math worksheet gives your child lots of practice with front-end estimation, addition, and subtraction.

Practice Front-End Estimation

Measure your way to the right answer by using this handy number line to solve word problems about adding length.

Number Line Addition

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Strategy Cards: Three-Digit Addition

Put your hundreds chart skills to the test by counting up the charts on this second grade math worksheet.

Adding with the Hundreds Chart

Can your kid solve these multiple-step word problems by using a number line? Let her take a crack at it and see how well she does!

Number Line Math

This word problem worksheet will help your child learn how to solve math problems by measuring values on a number line.

Number Line Word Problems

Represent tens and ones with crayons in this fun worksheet.

Counting on the 100s Chart (Part One)

Invite your child to imagine that he is a car moving along a number line. Use this math worksheet to help your 2nd grader identify numbers, add, and subtract.

Move Along the Number Lines: Blank Templates

Introduce this graphic organizer as a way to help students think about whether or not certain rules or characteristics apply to mathematical ideas always, sometimes, or never.

Always, Sometimes, Never

Your kid will love using number lines to solve pesky multiple-step subtraction word problems. Learn how with this worksheet!

Multi-Step Word Problems

This worksheet teaches you to use base 10 drawings to add two-digit numbers.

Using Base 10 Drawings in Two-Digit Addition

Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Glossary: Comparing Strategies for Three-Digit Addition

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