Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 − 71 by rounding each number to the nearest 10: ______
- Estimate 77 − 48 by rounding each number to the nearest 10: ______
- Estimate 74 − 87 by rounding each number to the nearest 10: ______
- Estimate 45 − 64 by rounding each number to the nearest 10: ______
- Estimate 71 + 75 by rounding each number to the nearest 10: ______
- Estimate 61 + 61 by rounding each number to the nearest 10: ______
- Estimate 55 + 70 by rounding each number to the nearest 10: ______
- Estimate 32 + 49 by rounding each number to the nearest 10: ______
- Estimate 71 − 72 by rounding each number to the nearest 10: ______
- Estimate 33 − 32 by rounding each number to the nearest 10: ______
- Estimate 58 − 31 by rounding each number to the nearest 10: ______
- Estimate 87 + 62 by rounding each number to the nearest 10: ______
- Estimate 55 − 59 by rounding each number to the nearest 10: ______
- Estimate 36 + 85 by rounding each number to the nearest 10: ______
- Estimate 86 + 54 by rounding each number to the nearest 10: ______
- Estimate 81 + 33 by rounding each number to the nearest 10: ______
- Estimate 84 + 88 by rounding each number to the nearest 10: ______
- Estimate 26 − 53 by rounding each number to the nearest 10: ______
- Estimate 42 − 21 by rounding each number to the nearest 10: ______
- Estimate 80 − 25 by rounding each number to the nearest 10: ______