Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 51 by rounding each number to the nearest 10: ______
- Estimate 55 + 39 by rounding each number to the nearest 10: ______
- Estimate 81 + 73 by rounding each number to the nearest 10: ______
- Estimate 52 − 68 by rounding each number to the nearest 10: ______
- Estimate 78 − 69 by rounding each number to the nearest 10: ______
- Estimate 76 − 39 by rounding each number to the nearest 10: ______
- Estimate 87 − 29 by rounding each number to the nearest 10: ______
- Estimate 30 − 45 by rounding each number to the nearest 10: ______
- Estimate 79 − 51 by rounding each number to the nearest 10: ______
- Estimate 65 − 27 by rounding each number to the nearest 10: ______
- Estimate 27 − 63 by rounding each number to the nearest 10: ______
- Estimate 33 − 60 by rounding each number to the nearest 10: ______
- Estimate 56 + 45 by rounding each number to the nearest 10: ______
- Estimate 66 + 75 by rounding each number to the nearest 10: ______
- Estimate 34 − 38 by rounding each number to the nearest 10: ______
- Estimate 42 + 89 by rounding each number to the nearest 10: ______
- Estimate 22 + 88 by rounding each number to the nearest 10: ______
- Estimate 59 − 56 by rounding each number to the nearest 10: ______
- Estimate 80 − 65 by rounding each number to the nearest 10: ______
- Estimate 58 − 53 by rounding each number to the nearest 10: ______