Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 − 30 by rounding each number to the nearest 10: ______
- Estimate 71 − 86 by rounding each number to the nearest 10: ______
- Estimate 55 − 82 by rounding each number to the nearest 10: ______
- Estimate 87 − 89 by rounding each number to the nearest 10: ______
- Estimate 59 − 75 by rounding each number to the nearest 10: ______
- Estimate 55 − 32 by rounding each number to the nearest 10: ______
- Estimate 59 − 38 by rounding each number to the nearest 10: ______
- Estimate 30 − 80 by rounding each number to the nearest 10: ______
- Estimate 81 − 28 by rounding each number to the nearest 10: ______
- Estimate 29 − 73 by rounding each number to the nearest 10: ______
- Estimate 47 − 54 by rounding each number to the nearest 10: ______
- Estimate 69 + 25 by rounding each number to the nearest 10: ______
- Estimate 53 − 43 by rounding each number to the nearest 10: ______
- Estimate 62 − 76 by rounding each number to the nearest 10: ______
- Estimate 78 − 64 by rounding each number to the nearest 10: ______
- Estimate 28 + 62 by rounding each number to the nearest 10: ______
- Estimate 71 + 27 by rounding each number to the nearest 10: ______
- Estimate 77 − 51 by rounding each number to the nearest 10: ______
- Estimate 67 + 66 by rounding each number to the nearest 10: ______
- Estimate 38 − 88 by rounding each number to the nearest 10: ______