Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 − 87 by rounding each number to the nearest 10: ______
- Estimate 77 + 62 by rounding each number to the nearest 10: ______
- Estimate 61 − 29 by rounding each number to the nearest 10: ______
- Estimate 66 − 88 by rounding each number to the nearest 10: ______
- Estimate 23 + 81 by rounding each number to the nearest 10: ______
- Estimate 69 + 25 by rounding each number to the nearest 10: ______
- Estimate 51 − 79 by rounding each number to the nearest 10: ______
- Estimate 52 − 42 by rounding each number to the nearest 10: ______
- Estimate 83 + 58 by rounding each number to the nearest 10: ______
- Estimate 83 − 72 by rounding each number to the nearest 10: ______
- Estimate 25 + 81 by rounding each number to the nearest 10: ______
- Estimate 61 − 33 by rounding each number to the nearest 10: ______
- Estimate 30 − 33 by rounding each number to the nearest 10: ______
- Estimate 85 + 24 by rounding each number to the nearest 10: ______
- Estimate 79 − 86 by rounding each number to the nearest 10: ______
- Estimate 71 + 69 by rounding each number to the nearest 10: ______
- Estimate 50 − 86 by rounding each number to the nearest 10: ______
- Estimate 40 − 70 by rounding each number to the nearest 10: ______
- Estimate 89 + 36 by rounding each number to the nearest 10: ______
- Estimate 55 − 84 by rounding each number to the nearest 10: ______