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

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

Can your second grader help an outgoing octopus with some two-digit subtraction problems?

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

Want to bulk up your second grader's two-digit addition skills? This super hero-themed worksheet will do the trick!

Use these vocabulary cards with the EL Support Lesson Plan: Mental Math Bingo with Multiples of 10.

Does your second grader need a math boost? Help her get a grip on her two-digit addition skills--and a super power--with this dynamic worksheet.

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

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

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.

Make two-digit addition easier with this inviting worksheet!

Two-digit addition got your second grader down? Liven up math practice with this extraordinary worksheet.

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

Guide your second grader through this fun, two-digit addition worksheet to boost her mental math skills.

Is your second grader struggling with two-digit addition? This super hero worksheet should motivate him to practice math!

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

Two-digit addition troubling your second grader? The only way to get the concept down is practice, practice ... and more practice!

Give your second grader's two-digit addition skills some practice time with a worksheet that's heavy on learning--and fun!

Kids solve addition problems with two-digit addends to move from ice chunk to ice chunk and help Polly get to her cub on this second grade math worksheet.

Has your second grader ever wanted to play super hero? Let him do just that with this two-digit addition worksheet.

Give your second grader a helping hand with two-digit addition with an addition worksheet with a fun, super hero theme.

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

This fun worksheet is sure to motivate your second grader to practice two-digit addition, and it's great for mental math, too!

Give your second grader's two-digit addition skills a healthy work out with a worksheet that's heavy on learning--and fun!

Solving these two-digit addition problems will lead your second grader to discovering the true name of this mystery super hero!

Spark your second grader's interest in practicing math with a two-digit addition worksheet--complete with a super hero and his special power!