Understanding CRA - Math Coach's Corner

If you teach elementary math, then you have probably heard plenty about the concrete, representational, abstract sequence of instruction. It's usually shortened to CRA. The idea is that concrete and representational (pictorial) experiences are required to make sense of abstract concepts. But I have found that CRA is not always well understood and is sometimes

This is an example of using mental math when subtracting. Does the strategy make sense to you?

Ann Suthers (@asuth2) / X

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Math Coach's Corner - 👩 Standards require students to decompose by place value in different ways. ✓ 34 is 3 tens and 4 ones, but it's also 2 tens and 14 ones.

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