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Showing Results for three digit and missing factors

Kids hone their single-digit addition skills as they match equations with their missing factors.

Match: Addition Within 10 and Missing Factors

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Three-Digit Addition

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Math Notes: Three-Digit Addition

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Comparing Strategies for Three-Digit Addition

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Three-Digit Addition Strategies Review

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

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

Glossary: Comparing Strategies for Three-Digit Addition

Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #3

Reinforce your child's three-digit addition skills with this ski-themed learning adventure!

 Ski Racer: Three-Digit Addition and Finding 100 More

Get ready to add 10 more! Analyze expressions like "110 + 10" and calculate three-digit sums.

Match: Three-Digit Addition and Finding 10 More

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Vocabulary Cards: Comparing Strategies for Three-Digit Addition

Build up second graders’ math knowledge with a diving game about three-digit addition.

Treasure Diving: Finding 10 More Three-Digit Addition

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

Water Rafting: Finding 10 More Three-Digit Addition

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

Spring Three-Digit Addition Check-in

Practice three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #1

Add 100 to three-digit numbers and find the matching sums in this exciting Dino Fishing game.

Dino Fishing: Three-Digit Addition and Finding 100 More

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #2

Players hone their two-digit addition skills as they match equations with their missing addends!

Match: Addition Within 30 and Missing Addends

Dive for treasure and missing factors in this online game featuring addition equations.

Treasure Diving: Addition Missing Addends Within 20 (Game 1)

Kids practice reverse addition and subtraction to find the missing numbers in this fun 2nd grade math worksheet.

Find the Missing Numbers: Reverse Addition & Subtraction #3

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

Find the Missing Numbers: Reverse Addition & Subtraction #1

In this addition and subtraction worksheet, children will provide the missing numbers to balance ten expressions.

The Numbers Are Missing!

Challenge yourself to solve three-digit addition problems in this colorful worksheet!

Place Value Chart Addition Without Regrouping: Sums to 1,000 #3

This activity will help students reflect on the many potential combinations for a number as they work on identifying a missing part of a whole using dots and a word bank.

What's Missing?

Help your second grader strengthen her two-digit addition skills ... and pretend she's a super hero at the same time!

Name That Hero! Two-Digit Addition #3

Practice adding 3&nbsp;to numbers within 10 with this first-grade addition worksheet!

Adding Three

Learners hone their two-digit by one-digit addition skills in this underwater race to sunken treasure! 

Treasure Diving: Adding Two-Digit and One-Digit Numbers

Kids practice reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Find the Missing Numbers: Reverse Addition & Subtraction #6

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Adding Two-Digit Numbers on an Open Number Line #3

Kids practice matching each addition equation to its missing factor in this interactive math game.

Match: Addition within 20 and Missing Addends

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