Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 34 + 62 by rounding each number to the nearest 10: ______
- Estimate 54 − 31 by rounding each number to the nearest 10: ______
- Estimate 44 + 50 by rounding each number to the nearest 10: ______
- Estimate 46 − 31 by rounding each number to the nearest 10: ______
- Estimate 84 + 57 by rounding each number to the nearest 10: ______
- Estimate 84 + 44 by rounding each number to the nearest 10: ______
- Estimate 32 − 22 by rounding each number to the nearest 10: ______
- Estimate 72 + 67 by rounding each number to the nearest 10: ______
- Estimate 43 − 24 by rounding each number to the nearest 10: ______
- Estimate 31 + 38 by rounding each number to the nearest 10: ______
- Estimate 32 + 79 by rounding each number to the nearest 10: ______
- Estimate 47 + 68 by rounding each number to the nearest 10: ______
- Estimate 21 + 56 by rounding each number to the nearest 10: ______
- Estimate 56 − 63 by rounding each number to the nearest 10: ______
- Estimate 86 − 84 by rounding each number to the nearest 10: ______
- Estimate 38 + 44 by rounding each number to the nearest 10: ______
- Estimate 59 + 62 by rounding each number to the nearest 10: ______
- Estimate 23 + 47 by rounding each number to the nearest 10: ______
- Estimate 37 − 41 by rounding each number to the nearest 10: ______
- Estimate 38 + 77 by rounding each number to the nearest 10: ______