Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 58 − 27 by rounding each number to the nearest 10: ______
- Estimate 76 + 51 by rounding each number to the nearest 10: ______
- Estimate 43 + 44 by rounding each number to the nearest 10: ______
- Estimate 86 + 22 by rounding each number to the nearest 10: ______
- Estimate 52 + 29 by rounding each number to the nearest 10: ______
- Estimate 61 − 45 by rounding each number to the nearest 10: ______
- Estimate 52 − 54 by rounding each number to the nearest 10: ______
- Estimate 34 − 32 by rounding each number to the nearest 10: ______
- Estimate 25 + 75 by rounding each number to the nearest 10: ______
- Estimate 42 − 88 by rounding each number to the nearest 10: ______
- Estimate 63 − 23 by rounding each number to the nearest 10: ______
- Estimate 45 − 43 by rounding each number to the nearest 10: ______
- Estimate 54 − 61 by rounding each number to the nearest 10: ______
- Estimate 65 − 40 by rounding each number to the nearest 10: ______
- Estimate 62 + 29 by rounding each number to the nearest 10: ______
- Estimate 39 − 67 by rounding each number to the nearest 10: ______
- Estimate 22 + 70 by rounding each number to the nearest 10: ______
- Estimate 28 + 59 by rounding each number to the nearest 10: ______
- Estimate 37 − 39 by rounding each number to the nearest 10: ______
- Estimate 48 − 56 by rounding each number to the nearest 10: ______