Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 + 78 by rounding each number to the nearest 10: ______
- Estimate 41 + 28 by rounding each number to the nearest 10: ______
- Estimate 52 − 22 by rounding each number to the nearest 10: ______
- Estimate 73 − 55 by rounding each number to the nearest 10: ______
- Estimate 59 + 73 by rounding each number to the nearest 10: ______
- Estimate 57 + 79 by rounding each number to the nearest 10: ______
- Estimate 68 + 46 by rounding each number to the nearest 10: ______
- Estimate 55 − 78 by rounding each number to the nearest 10: ______
- Estimate 51 + 81 by rounding each number to the nearest 10: ______
- Estimate 33 + 74 by rounding each number to the nearest 10: ______
- Estimate 77 − 66 by rounding each number to the nearest 10: ______
- Estimate 64 + 79 by rounding each number to the nearest 10: ______
- Estimate 28 − 88 by rounding each number to the nearest 10: ______
- Estimate 71 + 36 by rounding each number to the nearest 10: ______
- Estimate 63 − 72 by rounding each number to the nearest 10: ______
- Estimate 39 − 48 by rounding each number to the nearest 10: ______
- Estimate 78 − 86 by rounding each number to the nearest 10: ______
- Estimate 73 − 30 by rounding each number to the nearest 10: ______
- Estimate 38 − 76 by rounding each number to the nearest 10: ______
- Estimate 89 + 25 by rounding each number to the nearest 10: ______