Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 55 by rounding each number to the nearest 10: ______
- Estimate 26 + 61 by rounding each number to the nearest 10: ______
- Estimate 89 + 87 by rounding each number to the nearest 10: ______
- Estimate 75 − 66 by rounding each number to the nearest 10: ______
- Estimate 37 − 36 by rounding each number to the nearest 10: ______
- Estimate 29 − 61 by rounding each number to the nearest 10: ______
- Estimate 31 + 33 by rounding each number to the nearest 10: ______
- Estimate 84 + 42 by rounding each number to the nearest 10: ______
- Estimate 55 + 44 by rounding each number to the nearest 10: ______
- Estimate 66 − 71 by rounding each number to the nearest 10: ______
- Estimate 22 + 74 by rounding each number to the nearest 10: ______
- Estimate 63 + 69 by rounding each number to the nearest 10: ______
- Estimate 85 − 33 by rounding each number to the nearest 10: ______
- Estimate 86 + 30 by rounding each number to the nearest 10: ______
- Estimate 25 + 32 by rounding each number to the nearest 10: ______
- Estimate 75 + 70 by rounding each number to the nearest 10: ______
- Estimate 31 − 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 88 by rounding each number to the nearest 10: ______
- Estimate 31 + 58 by rounding each number to the nearest 10: ______
- Estimate 67 − 76 by rounding each number to the nearest 10: ______