Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Use these vocabulary cards with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

Use these vocabulary cards with the EL Support Lesson: Thinking Deeply About Word Problems.

Make two-digit addition easier with this inviting worksheet!

Use a visual model to solve these two-digit addition problems!

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

The game requires players to solve two-step, mixed operation word problems during their turn. Similar to Connect Four, each solved problem earns the player an X or O.

Master two-digit addition with these hundred chart problems!

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

Test your talent in two-digit addition with this colorful math worksheet!

This simple worksheet is packed with two-digit and three-digit subtraction problems.

Why was 6 afraid of 7? 7 8 9 (seven ate nine)! Find more funny riddles to solve with this awesome addition worksheet.

Practice two-and three-digit subtraction in this set of school-themed word problems!

Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

In this worksheet that contains a storyline about a bakery, students will solve two-step, three-digit addition problems.

In this 3rd grade math worksheet, kids analyze and compare data in two pictographs in order to answer a set of word problems.

Challenge your third grade mathematicians with these addition and subtraction word problems. This exercise is designed to assess your students' math level at the beginning of third grade.

Jump forward and backward on a number line to solve addition problems in this engaging worksheet!

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

Test your skills with addition in this essential compensation worksheet!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

The best way to solve a complicated problem is to break it down. Help your students use the Read, Write, Draw strategy to solve word problems with this worksheet.

Test your addition skills with this helpful hundred chart worksheet!

Math learners solve sports-themed addition and subtraction problems in this practice worksheet.

Once your child masters addition with carrying, there's practically no number too big for her to add!

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Give students practice adding three-digit numbers within 1,000! 

Sharpen your mental math skills with this second- and third-grade compensation worksheet! 

Create models of addition problems with this compensation worksheet for second and third graders!