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Rounding and Estimating
In this rounding and estimating learning exercise, students solve 18 rounding and estimating problems. Students solve problems without a calculator.
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Divide by a Two-Digit Divisor
Through a chapter from a text book, upper-elementary learners explore how to divide by two-digit divisors accurately. In the beginning, they use rounding and compatible numbers to estimate quotients when dividing two-digit divisors. The...
5th - 6th Math CCSS: Adaptable
Estimate to Check Reasonableness
Sometimes your learners solve for the wrong answer, but they won't know until they estimate to check. This video introduces four methods: rounding, clusters, "friendly" numbers, and front-end estimates. See how each type is demonstrated...
5 mins 6th - 8th Math CCSS: Designed
Study Jams! Estimate Sums & Differences of Whole Numbers
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
4th - 6th Math CCSS: Adaptable