Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 79 − 36 by rounding each number to the nearest 10: ______
- Estimate 52 − 76 by rounding each number to the nearest 10: ______
- Estimate 67 − 25 by rounding each number to the nearest 10: ______
- Estimate 29 + 46 by rounding each number to the nearest 10: ______
- Estimate 84 − 59 by rounding each number to the nearest 10: ______
- Estimate 57 + 35 by rounding each number to the nearest 10: ______
- Estimate 87 − 74 by rounding each number to the nearest 10: ______
- Estimate 35 + 56 by rounding each number to the nearest 10: ______
- Estimate 79 − 29 by rounding each number to the nearest 10: ______
- Estimate 32 + 55 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 73 + 39 by rounding each number to the nearest 10: ______
- Estimate 61 − 47 by rounding each number to the nearest 10: ______
- Estimate 35 + 78 by rounding each number to the nearest 10: ______
- Estimate 43 + 77 by rounding each number to the nearest 10: ______
- Estimate 58 + 22 by rounding each number to the nearest 10: ______
- Estimate 72 + 40 by rounding each number to the nearest 10: ______
- Estimate 69 − 54 by rounding each number to the nearest 10: ______
- Estimate 61 + 46 by rounding each number to the nearest 10: ______
- Estimate 35 − 45 by rounding each number to the nearest 10: ______