Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 82 by rounding each number to the nearest 10: ______
- Estimate 58 − 22 by rounding each number to the nearest 10: ______
- Estimate 83 + 52 by rounding each number to the nearest 10: ______
- Estimate 48 + 42 by rounding each number to the nearest 10: ______
- Estimate 29 + 53 by rounding each number to the nearest 10: ______
- Estimate 38 − 41 by rounding each number to the nearest 10: ______
- Estimate 43 − 66 by rounding each number to the nearest 10: ______
- Estimate 68 + 64 by rounding each number to the nearest 10: ______
- Estimate 75 + 28 by rounding each number to the nearest 10: ______
- Estimate 27 − 24 by rounding each number to the nearest 10: ______
- Estimate 37 − 27 by rounding each number to the nearest 10: ______
- Estimate 83 + 40 by rounding each number to the nearest 10: ______
- Estimate 87 − 79 by rounding each number to the nearest 10: ______
- Estimate 61 + 75 by rounding each number to the nearest 10: ______
- Estimate 31 − 23 by rounding each number to the nearest 10: ______
- Estimate 83 − 29 by rounding each number to the nearest 10: ______
- Estimate 56 − 70 by rounding each number to the nearest 10: ______
- Estimate 45 + 26 by rounding each number to the nearest 10: ______
- Estimate 71 + 42 by rounding each number to the nearest 10: ______
- Estimate 69 − 81 by rounding each number to the nearest 10: ______