Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 34 by rounding each number to the nearest 10: ______
- Estimate 21 + 54 by rounding each number to the nearest 10: ______
- Estimate 53 + 57 by rounding each number to the nearest 10: ______
- Estimate 22 − 84 by rounding each number to the nearest 10: ______
- Estimate 81 − 58 by rounding each number to the nearest 10: ______
- Estimate 41 + 31 by rounding each number to the nearest 10: ______
- Estimate 79 − 72 by rounding each number to the nearest 10: ______
- Estimate 81 + 59 by rounding each number to the nearest 10: ______
- Estimate 60 − 69 by rounding each number to the nearest 10: ______
- Estimate 34 − 24 by rounding each number to the nearest 10: ______
- Estimate 81 − 33 by rounding each number to the nearest 10: ______
- Estimate 52 + 76 by rounding each number to the nearest 10: ______
- Estimate 72 − 54 by rounding each number to the nearest 10: ______
- Estimate 48 + 43 by rounding each number to the nearest 10: ______
- Estimate 60 + 70 by rounding each number to the nearest 10: ______
- Estimate 25 + 45 by rounding each number to the nearest 10: ______
- Estimate 81 + 47 by rounding each number to the nearest 10: ______
- Estimate 71 − 59 by rounding each number to the nearest 10: ______
- Estimate 87 + 83 by rounding each number to the nearest 10: ______
- Estimate 81 − 62 by rounding each number to the nearest 10: ______