Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 − 80 by rounding each number to the nearest 10: ______
- Estimate 81 + 67 by rounding each number to the nearest 10: ______
- Estimate 32 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 + 87 by rounding each number to the nearest 10: ______
- Estimate 43 − 57 by rounding each number to the nearest 10: ______
- Estimate 47 − 25 by rounding each number to the nearest 10: ______
- Estimate 54 + 61 by rounding each number to the nearest 10: ______
- Estimate 55 − 82 by rounding each number to the nearest 10: ______
- Estimate 62 + 22 by rounding each number to the nearest 10: ______
- Estimate 40 − 71 by rounding each number to the nearest 10: ______
- Estimate 39 − 80 by rounding each number to the nearest 10: ______
- Estimate 65 − 60 by rounding each number to the nearest 10: ______
- Estimate 42 − 41 by rounding each number to the nearest 10: ______
- Estimate 48 − 30 by rounding each number to the nearest 10: ______
- Estimate 63 + 58 by rounding each number to the nearest 10: ______
- Estimate 55 − 46 by rounding each number to the nearest 10: ______
- Estimate 43 − 84 by rounding each number to the nearest 10: ______
- Estimate 67 + 21 by rounding each number to the nearest 10: ______
- Estimate 49 − 68 by rounding each number to the nearest 10: ______
- Estimate 85 + 56 by rounding each number to the nearest 10: ______