Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 + 70 by rounding each number to the nearest 10: ______
- Estimate 80 − 22 by rounding each number to the nearest 10: ______
- Estimate 85 + 83 by rounding each number to the nearest 10: ______
- Estimate 61 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 − 84 by rounding each number to the nearest 10: ______
- Estimate 76 − 74 by rounding each number to the nearest 10: ______
- Estimate 67 + 51 by rounding each number to the nearest 10: ______
- Estimate 40 − 78 by rounding each number to the nearest 10: ______
- Estimate 60 − 42 by rounding each number to the nearest 10: ______
- Estimate 31 − 71 by rounding each number to the nearest 10: ______
- Estimate 30 + 44 by rounding each number to the nearest 10: ______
- Estimate 54 − 61 by rounding each number to the nearest 10: ______
- Estimate 44 + 49 by rounding each number to the nearest 10: ______
- Estimate 33 − 54 by rounding each number to the nearest 10: ______
- Estimate 78 − 32 by rounding each number to the nearest 10: ______
- Estimate 86 + 34 by rounding each number to the nearest 10: ______
- Estimate 68 + 47 by rounding each number to the nearest 10: ______
- Estimate 88 + 22 by rounding each number to the nearest 10: ______
- Estimate 39 + 39 by rounding each number to the nearest 10: ______
- Estimate 31 + 62 by rounding each number to the nearest 10: ______