Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 − 42 by rounding each number to the nearest 10: ______
- Estimate 61 − 80 by rounding each number to the nearest 10: ______
- Estimate 71 − 72 by rounding each number to the nearest 10: ______
- Estimate 54 + 21 by rounding each number to the nearest 10: ______
- Estimate 87 − 33 by rounding each number to the nearest 10: ______
- Estimate 22 − 47 by rounding each number to the nearest 10: ______
- Estimate 37 − 69 by rounding each number to the nearest 10: ______
- Estimate 43 − 53 by rounding each number to the nearest 10: ______
- Estimate 75 − 22 by rounding each number to the nearest 10: ______
- Estimate 62 − 50 by rounding each number to the nearest 10: ______
- Estimate 58 + 81 by rounding each number to the nearest 10: ______
- Estimate 47 + 89 by rounding each number to the nearest 10: ______
- Estimate 81 − 60 by rounding each number to the nearest 10: ______
- Estimate 63 − 87 by rounding each number to the nearest 10: ______
- Estimate 30 − 85 by rounding each number to the nearest 10: ______
- Estimate 53 + 34 by rounding each number to the nearest 10: ______
- Estimate 35 + 39 by rounding each number to the nearest 10: ______
- Estimate 37 + 68 by rounding each number to the nearest 10: ______
- Estimate 71 − 82 by rounding each number to the nearest 10: ______
- Estimate 27 + 51 by rounding each number to the nearest 10: ______