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Bolster your third grader&#39;s addition skills with at-home practice in three-digit addition.

Addition Practice: Triple Digits

Help your child get used to addition with carrying so that she'll be all ready to go by the time it's introduced in school.

Addition with Carrying #9

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

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