Estimate to Check Reasonableness

This Estimate to Check Reasonableness video also includes:

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 and then have your learners go through a word problem example with one of the methods. 

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CCSS: Designed
Instructional Ideas

  • Use additional videos in the series for more practice
  • Use the first video for steps to setting up word problems and the second video to solve
Classroom Considerations

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  • Reviews all the steps necessary to solve a word problem
  • Uses four different methods of estimates

  • Only shows estimated answer during review, does not check with actual answer
  • Fast-paced examples
Common Core