Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 53 by rounding each number to the nearest 10: ______
- Estimate 38 + 32 by rounding each number to the nearest 10: ______
- Estimate 23 + 78 by rounding each number to the nearest 10: ______
- Estimate 86 − 71 by rounding each number to the nearest 10: ______
- Estimate 34 − 37 by rounding each number to the nearest 10: ______
- Estimate 33 + 78 by rounding each number to the nearest 10: ______
- Estimate 31 − 37 by rounding each number to the nearest 10: ______
- Estimate 50 + 22 by rounding each number to the nearest 10: ______
- Estimate 80 − 35 by rounding each number to the nearest 10: ______
- Estimate 72 + 85 by rounding each number to the nearest 10: ______
- Estimate 86 − 57 by rounding each number to the nearest 10: ______
- Estimate 56 + 70 by rounding each number to the nearest 10: ______
- Estimate 82 + 82 by rounding each number to the nearest 10: ______
- Estimate 36 − 34 by rounding each number to the nearest 10: ______
- Estimate 59 − 41 by rounding each number to the nearest 10: ______
- Estimate 67 + 51 by rounding each number to the nearest 10: ______
- Estimate 40 + 39 by rounding each number to the nearest 10: ______
- Estimate 85 + 61 by rounding each number to the nearest 10: ______
- Estimate 24 + 69 by rounding each number to the nearest 10: ______
- Estimate 23 + 87 by rounding each number to the nearest 10: ______