Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 + 75 by rounding each number to the nearest 10: ______
- Estimate 22 − 47 by rounding each number to the nearest 10: ______
- Estimate 32 − 57 by rounding each number to the nearest 10: ______
- Estimate 55 − 63 by rounding each number to the nearest 10: ______
- Estimate 84 − 74 by rounding each number to the nearest 10: ______
- Estimate 81 − 32 by rounding each number to the nearest 10: ______
- Estimate 68 − 39 by rounding each number to the nearest 10: ______
- Estimate 85 + 87 by rounding each number to the nearest 10: ______
- Estimate 46 + 26 by rounding each number to the nearest 10: ______
- Estimate 40 − 66 by rounding each number to the nearest 10: ______
- Estimate 24 + 27 by rounding each number to the nearest 10: ______
- Estimate 26 − 61 by rounding each number to the nearest 10: ______
- Estimate 57 − 77 by rounding each number to the nearest 10: ______
- Estimate 71 − 54 by rounding each number to the nearest 10: ______
- Estimate 54 + 88 by rounding each number to the nearest 10: ______
- Estimate 80 − 83 by rounding each number to the nearest 10: ______
- Estimate 65 − 54 by rounding each number to the nearest 10: ______
- Estimate 41 + 79 by rounding each number to the nearest 10: ______
- Estimate 35 + 71 by rounding each number to the nearest 10: ______
- Estimate 81 − 42 by rounding each number to the nearest 10: ______