Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 25 + 49 by rounding each number to the nearest 10: ______
- Estimate 75 + 23 by rounding each number to the nearest 10: ______
- Estimate 36 − 64 by rounding each number to the nearest 10: ______
- Estimate 28 − 55 by rounding each number to the nearest 10: ______
- Estimate 54 − 41 by rounding each number to the nearest 10: ______
- Estimate 61 + 58 by rounding each number to the nearest 10: ______
- Estimate 36 + 88 by rounding each number to the nearest 10: ______
- Estimate 72 + 59 by rounding each number to the nearest 10: ______
- Estimate 31 − 37 by rounding each number to the nearest 10: ______
- Estimate 23 − 35 by rounding each number to the nearest 10: ______
- Estimate 49 − 55 by rounding each number to the nearest 10: ______
- Estimate 22 − 44 by rounding each number to the nearest 10: ______
- Estimate 26 − 46 by rounding each number to the nearest 10: ______
- Estimate 63 + 83 by rounding each number to the nearest 10: ______
- Estimate 41 − 42 by rounding each number to the nearest 10: ______
- Estimate 56 + 32 by rounding each number to the nearest 10: ______
- Estimate 66 + 84 by rounding each number to the nearest 10: ______
- Estimate 74 − 29 by rounding each number to the nearest 10: ______
- Estimate 30 + 56 by rounding each number to the nearest 10: ______
- Estimate 73 + 21 by rounding each number to the nearest 10: ______