Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 77 by rounding each number to the nearest 10: ______
- Estimate 54 − 47 by rounding each number to the nearest 10: ______
- Estimate 87 + 45 by rounding each number to the nearest 10: ______
- Estimate 73 + 30 by rounding each number to the nearest 10: ______
- Estimate 38 + 72 by rounding each number to the nearest 10: ______
- Estimate 60 + 32 by rounding each number to the nearest 10: ______
- Estimate 44 − 71 by rounding each number to the nearest 10: ______
- Estimate 28 + 84 by rounding each number to the nearest 10: ______
- Estimate 58 − 62 by rounding each number to the nearest 10: ______
- Estimate 61 + 45 by rounding each number to the nearest 10: ______
- Estimate 35 − 85 by rounding each number to the nearest 10: ______
- Estimate 45 − 62 by rounding each number to the nearest 10: ______
- Estimate 45 − 45 by rounding each number to the nearest 10: ______
- Estimate 63 − 80 by rounding each number to the nearest 10: ______
- Estimate 57 + 78 by rounding each number to the nearest 10: ______
- Estimate 49 + 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 69 by rounding each number to the nearest 10: ______
- Estimate 28 + 82 by rounding each number to the nearest 10: ______
- Estimate 39 + 49 by rounding each number to the nearest 10: ______
- Estimate 43 + 22 by rounding each number to the nearest 10: ______