Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 52 by rounding each number to the nearest 10: ______
- Estimate 59 + 54 by rounding each number to the nearest 10: ______
- Estimate 56 − 57 by rounding each number to the nearest 10: ______
- Estimate 42 + 56 by rounding each number to the nearest 10: ______
- Estimate 78 − 51 by rounding each number to the nearest 10: ______
- Estimate 34 + 60 by rounding each number to the nearest 10: ______
- Estimate 70 + 22 by rounding each number to the nearest 10: ______
- Estimate 36 − 31 by rounding each number to the nearest 10: ______
- Estimate 60 − 63 by rounding each number to the nearest 10: ______
- Estimate 32 − 86 by rounding each number to the nearest 10: ______
- Estimate 81 + 45 by rounding each number to the nearest 10: ______
- Estimate 59 − 29 by rounding each number to the nearest 10: ______
- Estimate 25 + 46 by rounding each number to the nearest 10: ______
- Estimate 35 − 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 86 by rounding each number to the nearest 10: ______
- Estimate 60 + 86 by rounding each number to the nearest 10: ______
- Estimate 55 − 49 by rounding each number to the nearest 10: ______
- Estimate 53 − 61 by rounding each number to the nearest 10: ______
- Estimate 35 − 33 by rounding each number to the nearest 10: ______
- Estimate 71 + 61 by rounding each number to the nearest 10: ______