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.

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

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.

Go on a number adventure with this jungle-themed worksheet. Kids will use their number know-how to order numbers and clear a path through the jungle.

Practice adding two-digit numbers with this compensation worksheet for second and third graders!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!

With this worksheet students will practice using the number line strategy to add three-digit numbers.

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

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

Test your skills with addition in this essential compensation worksheet!

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

Test your addition skills with this helpful hundred chart worksheet!

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

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

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

Master two-digit addition with these hundred chart problems!

Multi-digit addition can be tricky. Teach your third graders fast addition and they will be on their way to mastering this concept.

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

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

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