Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 57 by rounding each number to the nearest 10: ______
- Estimate 26 + 87 by rounding each number to the nearest 10: ______
- Estimate 57 + 57 by rounding each number to the nearest 10: ______
- Estimate 28 − 58 by rounding each number to the nearest 10: ______
- Estimate 31 − 56 by rounding each number to the nearest 10: ______
- Estimate 63 + 65 by rounding each number to the nearest 10: ______
- Estimate 67 − 71 by rounding each number to the nearest 10: ______
- Estimate 82 + 73 by rounding each number to the nearest 10: ______
- Estimate 53 + 69 by rounding each number to the nearest 10: ______
- Estimate 45 − 30 by rounding each number to the nearest 10: ______
- Estimate 25 − 55 by rounding each number to the nearest 10: ______
- Estimate 42 − 22 by rounding each number to the nearest 10: ______
- Estimate 51 + 71 by rounding each number to the nearest 10: ______
- Estimate 74 − 80 by rounding each number to the nearest 10: ______
- Estimate 51 − 49 by rounding each number to the nearest 10: ______
- Estimate 63 − 28 by rounding each number to the nearest 10: ______
- Estimate 21 − 63 by rounding each number to the nearest 10: ______
- Estimate 61 − 37 by rounding each number to the nearest 10: ______
- Estimate 39 + 83 by rounding each number to the nearest 10: ______
- Estimate 54 + 79 by rounding each number to the nearest 10: ______