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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

Practice finding unknown numbers in addition equations using fun and silly word problems.

What's That Number?

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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