Use this glossary with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

The partial sums method uses place value to help organize multi-digit math problems. Help your child master this strategy with a few practice problems.

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

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

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

If your child likes to carry, then this is the worksheet for her!

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

Can your second grader use her addition ability to chart the growth of Augusto's snapdragon?

Your second grader and his handy addition skills are needed! Can he help Ralph keep track of his hollyhock's growth?

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

A board game perfect for sharpening your 1st-grader's addition skills.

Third graders can practice addition and engage in a coloring activity in one simple worksheet.

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

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

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

Use place value to add three-digit numbers with this second-grade worksheet!

Master addition using a place value chart with this engaging second-grade worksheet!

Add multi-digit numbers with ease in this colorful second-grade math worksheet!