Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 43 by rounding each number to the nearest 10: ______
- Estimate 33 − 40 by rounding each number to the nearest 10: ______
- Estimate 66 + 56 by rounding each number to the nearest 10: ______
- Estimate 27 + 65 by rounding each number to the nearest 10: ______
- Estimate 45 + 54 by rounding each number to the nearest 10: ______
- Estimate 57 + 26 by rounding each number to the nearest 10: ______
- Estimate 69 − 78 by rounding each number to the nearest 10: ______
- Estimate 63 − 69 by rounding each number to the nearest 10: ______
- Estimate 32 + 33 by rounding each number to the nearest 10: ______
- Estimate 62 + 82 by rounding each number to the nearest 10: ______
- Estimate 42 − 74 by rounding each number to the nearest 10: ______
- Estimate 35 + 31 by rounding each number to the nearest 10: ______
- Estimate 81 + 71 by rounding each number to the nearest 10: ______
- Estimate 32 + 28 by rounding each number to the nearest 10: ______
- Estimate 47 − 46 by rounding each number to the nearest 10: ______
- Estimate 79 − 31 by rounding each number to the nearest 10: ______
- Estimate 74 + 62 by rounding each number to the nearest 10: ______
- Estimate 67 + 32 by rounding each number to the nearest 10: ______
- Estimate 88 − 69 by rounding each number to the nearest 10: ______
- Estimate 26 − 31 by rounding each number to the nearest 10: ______