Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 85 by rounding each number to the nearest 10: ______
- Estimate 64 + 38 by rounding each number to the nearest 10: ______
- Estimate 36 + 87 by rounding each number to the nearest 10: ______
- Estimate 72 − 23 by rounding each number to the nearest 10: ______
- Estimate 88 − 65 by rounding each number to the nearest 10: ______
- Estimate 87 − 85 by rounding each number to the nearest 10: ______
- Estimate 83 − 52 by rounding each number to the nearest 10: ______
- Estimate 65 − 35 by rounding each number to the nearest 10: ______
- Estimate 66 − 28 by rounding each number to the nearest 10: ______
- Estimate 67 − 42 by rounding each number to the nearest 10: ______
- Estimate 89 − 51 by rounding each number to the nearest 10: ______
- Estimate 80 − 78 by rounding each number to the nearest 10: ______
- Estimate 44 + 27 by rounding each number to the nearest 10: ______
- Estimate 29 + 26 by rounding each number to the nearest 10: ______
- Estimate 55 − 25 by rounding each number to the nearest 10: ______
- Estimate 67 + 72 by rounding each number to the nearest 10: ______
- Estimate 67 + 88 by rounding each number to the nearest 10: ______
- Estimate 86 − 36 by rounding each number to the nearest 10: ______
- Estimate 84 − 80 by rounding each number to the nearest 10: ______
- Estimate 73 + 83 by rounding each number to the nearest 10: ______