Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 − 21 by rounding each number to the nearest 10: ______
- Estimate 53 − 72 by rounding each number to the nearest 10: ______
- Estimate 67 + 87 by rounding each number to the nearest 10: ______
- Estimate 22 − 63 by rounding each number to the nearest 10: ______
- Estimate 76 + 58 by rounding each number to the nearest 10: ______
- Estimate 51 + 70 by rounding each number to the nearest 10: ______
- Estimate 78 − 51 by rounding each number to the nearest 10: ______
- Estimate 74 − 72 by rounding each number to the nearest 10: ______
- Estimate 48 + 43 by rounding each number to the nearest 10: ______
- Estimate 27 − 40 by rounding each number to the nearest 10: ______
- Estimate 86 + 70 by rounding each number to the nearest 10: ______
- Estimate 29 − 33 by rounding each number to the nearest 10: ______
- Estimate 47 − 47 by rounding each number to the nearest 10: ______
- Estimate 69 − 37 by rounding each number to the nearest 10: ______
- Estimate 88 + 65 by rounding each number to the nearest 10: ______
- Estimate 42 + 51 by rounding each number to the nearest 10: ______
- Estimate 31 − 46 by rounding each number to the nearest 10: ______
- Estimate 51 + 75 by rounding each number to the nearest 10: ______
- Estimate 55 − 70 by rounding each number to the nearest 10: ______
- Estimate 83 + 65 by rounding each number to the nearest 10: ______