'Estimate sums' diaporamas de présentation

3.3 Estimate Sums and Differences

3.3 Estimate Sums and Differences. Objective: To estimate sums and differences of Whole numbers and Decimals. What is an Estimate?. To find a number that is close to an exact amount When your finding an estimate, you are finding about how many .

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Lesson 2-3

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Lesson 2-3

Lesson 2-3. Estimating Sums and Differences. Front End Estimation. The process of looking at the front digit of a number and estimating to find the sum or difference. What is the front digit of the following numbers? 1,248 + 2,579 ______. Using Front End Estimation to Estimate Sums.

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