Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 40 by rounding each number to the nearest 10: ______
- Estimate 64 + 83 by rounding each number to the nearest 10: ______
- Estimate 31 − 81 by rounding each number to the nearest 10: ______
- Estimate 79 + 71 by rounding each number to the nearest 10: ______
- Estimate 82 − 59 by rounding each number to the nearest 10: ______
- Estimate 88 − 64 by rounding each number to the nearest 10: ______
- Estimate 62 + 86 by rounding each number to the nearest 10: ______
- Estimate 38 − 76 by rounding each number to the nearest 10: ______
- Estimate 21 + 49 by rounding each number to the nearest 10: ______
- Estimate 62 + 63 by rounding each number to the nearest 10: ______
- Estimate 28 + 53 by rounding each number to the nearest 10: ______
- Estimate 59 + 51 by rounding each number to the nearest 10: ______
- Estimate 85 + 49 by rounding each number to the nearest 10: ______
- Estimate 65 − 77 by rounding each number to the nearest 10: ______
- Estimate 30 + 61 by rounding each number to the nearest 10: ______
- Estimate 46 + 89 by rounding each number to the nearest 10: ______
- Estimate 48 + 46 by rounding each number to the nearest 10: ______
- Estimate 88 + 82 by rounding each number to the nearest 10: ______
- Estimate 35 + 52 by rounding each number to the nearest 10: ______
- Estimate 81 − 42 by rounding each number to the nearest 10: ______