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Lesson 2-3. Estimating Sums and Differences. Rounding. The process of replacing a number by another number that is close to the same value. What’s Our Rule for the Boss?. Using Rounding to Estimate Sums. 1,436+422= 1,436 rounds to 422 rounds to Now Estimate:.
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Lesson 2-3 Estimating Sums and Differences
Rounding The process of replacing a number by another number that is close to the same value. What’s Our Rule for the Boss?
UsingRounding to Estimate Sums 1,436+422= 1,436 rounds to 422 rounds to Now Estimate:
UsingRounding to Estimate Sums Estimate the sum using rounding 265 1,329 + 426 + 5,345 ______ _______
UsingRounding to Estimate Differences 3,635-1,498= 3,635 rounds to 1,498 rounds to Now Estimate:
UsingRounding to Estimate Differences Estimate the difference using rounding 562 9,245 - 223 - 4,033 ______ _______