Stage 2 · The Four Operations & Estimation

2.4.2 The Associative Law

2.4 The Laws of Operations: An Easier Way to Compute

Point 2 of 5

2.4.2 The Associative Law

Core idea

It doesn't matter which two piles you combine first, so doing (2 + 8) first and then adding 5 feels smoother.

Module goal. Discover the commutative, associative, and distributive laws, and use them to rearrange expressions and speed up.
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