Critique Reasoning Lexi says, "To solve 243 + 179,
I can just count on with place-value blocks...
Mathematics, 22.04.2020 21:43 mchpalmer
Critique Reasoning Lexi says, "To solve 243 + 179,
I can just count on with place-value blocks to find the 100, 200, 300,
another hundred from the 11 tens is 400, one more ten and 12 ones is 422!"
How is Lexi's way like Steps 1 and 2 above?
Answers: 1
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