Estimate, Solve, and Check Multi-Step Problems
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Estimate, Solve, and Check Multi-Step Problems
Estimate, solve, and check for Grade 6: four multi-step problems with whole numbers, decimals, fractions, and mixed numbers, each estimated by rounding to whole numbers and then solved exactly, and two answers to judge by an estimate. With an answer key.
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- Pages
- 1
- Last updated
- Time
- About 25 minutes
- Answer key
- Included
- Printing
- Black and white
- Related curriculum
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Round the numbers or use compatible numbers to estimate a sum, difference, product or quotient, and use the estimate to check whether an exact answer is reasonable.
Reviewed by Mr. Daniel Carter, Teacher. How we check worksheets
How to use this sheet
- Have the child round every number first and write the rounded problem above the real one.
- Ask whether the estimate should be more or less than the exact answer, and why, before working it out.
- Use the estimate to check an exact answer. If they are far apart, look for a slip in the exact work.
Common mistakes
- Working the exact answer first and then rounding it. That skips the point of estimating.
- Rounding to the wrong place, such as to the nearest ten when the question asks for hundreds. Underline the place first.
- Thinking an estimate is wrong because it is not exact. A good estimate is close, and quick to find.
