Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 − 86 by rounding each number to the nearest 10: ______
- Estimate 74 − 60 by rounding each number to the nearest 10: ______
- Estimate 73 + 53 by rounding each number to the nearest 10: ______
- Estimate 46 − 42 by rounding each number to the nearest 10: ______
- Estimate 82 + 46 by rounding each number to the nearest 10: ______
- Estimate 30 − 28 by rounding each number to the nearest 10: ______
- Estimate 41 − 64 by rounding each number to the nearest 10: ______
- Estimate 47 + 31 by rounding each number to the nearest 10: ______
- Estimate 30 − 27 by rounding each number to the nearest 10: ______
- Estimate 87 + 78 by rounding each number to the nearest 10: ______
- Estimate 63 − 81 by rounding each number to the nearest 10: ______
- Estimate 66 + 58 by rounding each number to the nearest 10: ______
- Estimate 26 + 63 by rounding each number to the nearest 10: ______
- Estimate 60 − 44 by rounding each number to the nearest 10: ______
- Estimate 41 − 56 by rounding each number to the nearest 10: ______
- Estimate 57 − 42 by rounding each number to the nearest 10: ______
- Estimate 72 + 26 by rounding each number to the nearest 10: ______
- Estimate 77 + 40 by rounding each number to the nearest 10: ______
- Estimate 49 + 45 by rounding each number to the nearest 10: ______
- Estimate 71 + 66 by rounding each number to the nearest 10: ______