Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 32 by rounding each number to the nearest 10: ______
- Estimate 75 + 22 by rounding each number to the nearest 10: ______
- Estimate 53 + 84 by rounding each number to the nearest 10: ______
- Estimate 35 − 22 by rounding each number to the nearest 10: ______
- Estimate 61 + 41 by rounding each number to the nearest 10: ______
- Estimate 60 − 31 by rounding each number to the nearest 10: ______
- Estimate 88 − 72 by rounding each number to the nearest 10: ______
- Estimate 71 + 67 by rounding each number to the nearest 10: ______
- Estimate 87 − 47 by rounding each number to the nearest 10: ______
- Estimate 23 − 66 by rounding each number to the nearest 10: ______
- Estimate 89 − 86 by rounding each number to the nearest 10: ______
- Estimate 73 − 46 by rounding each number to the nearest 10: ______
- Estimate 50 − 75 by rounding each number to the nearest 10: ______
- Estimate 40 − 78 by rounding each number to the nearest 10: ______
- Estimate 79 − 66 by rounding each number to the nearest 10: ______
- Estimate 23 − 64 by rounding each number to the nearest 10: ______
- Estimate 22 + 35 by rounding each number to the nearest 10: ______
- Estimate 59 − 73 by rounding each number to the nearest 10: ______
- Estimate 82 + 72 by rounding each number to the nearest 10: ______
- Estimate 34 − 30 by rounding each number to the nearest 10: ______