Question: When a student estimates an answer to an addition problem such as 432 + 324 = by converting it to 400 + 300 =, that

When a student estimates an answer to an addition problem such as 432 + 324 = by converting it to 400 + 300 =, that student is using ________________. a. the rounding down strategy b. the rounding up strategy c. the compatible numbers strategy d. the front-end estimation strategy

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3. Tactical/strategic information.

3. To retrieve information from memory.

2. Value-oriented information and