Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 72 by rounding each number to the nearest 10: ______
- Estimate 69 − 50 by rounding each number to the nearest 10: ______
- Estimate 24 + 49 by rounding each number to the nearest 10: ______
- Estimate 88 − 80 by rounding each number to the nearest 10: ______
- Estimate 24 − 31 by rounding each number to the nearest 10: ______
- Estimate 71 − 59 by rounding each number to the nearest 10: ______
- Estimate 39 + 89 by rounding each number to the nearest 10: ______
- Estimate 32 − 38 by rounding each number to the nearest 10: ______
- Estimate 53 + 80 by rounding each number to the nearest 10: ______
- Estimate 81 + 55 by rounding each number to the nearest 10: ______
- Estimate 46 + 31 by rounding each number to the nearest 10: ______
- Estimate 38 − 62 by rounding each number to the nearest 10: ______
- Estimate 37 − 73 by rounding each number to the nearest 10: ______
- Estimate 28 − 27 by rounding each number to the nearest 10: ______
- Estimate 78 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 − 81 by rounding each number to the nearest 10: ______
- Estimate 84 − 27 by rounding each number to the nearest 10: ______
- Estimate 88 − 66 by rounding each number to the nearest 10: ______
- Estimate 34 − 87 by rounding each number to the nearest 10: ______
- Estimate 80 − 84 by rounding each number to the nearest 10: ______