Estimating Quotients with Compatible Numbers Worksheet Download
Free 5th Grade (5nbt6) math worksheets on Estimating Quotients with Compatible Numbers. Each worksheet has 12 problems with an answer key and are ideal for teachers and homeschooling. You can download the PDF, create a set of flash cards or set it up for online learning.
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About this worksheet
Each worksheet has 12 problems estimating a quotient by rounding to compatible numbers.
This worksheet estimates a quotient by rounding to compatible numbers - the divisor to the nearest ten, the dividend to the nearest hundred, then dividing. The method is stated because an estimation question without one has no answer key: about how much is 3,637 divided by 58 is answered defensibly by 60, by 63 and by 65. The numbers are built so that the rounded pair divides evenly, which is what makes compatible numbers worth using. Sheets can be customized, turned into flash cards, or assigned for online learning.
Student objectives
- Round a divisor and dividend to compatible numbers.
- Divide the rounded numbers to estimate a quotient.
- Use estimation to predict the size of an answer.
Everyday practice
- Round a division problem before working it out.
- Say roughly how big an answer should be first.
- Check a long division answer against an estimate.