In this estimating differences instructional activity, students solve 15 fill in the blank problems, 1 multiple choice, and 1 word problem where they first round to the nearest 10 or 100, then estimate the difference between the 2 numbers.
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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
Make Estimates About a Population Using the Mean of Multiple Samples
When samples provide different sets of data, the best way to calculate a more precise answer is with the mean. The lesson provides three different samples of data from a population that your learners should be able to calculate and find...
6 mins 5th - 8th Math CCSS: Designed
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