Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 − 27 by rounding each number to the nearest 10: ______
- Estimate 57 + 38 by rounding each number to the nearest 10: ______
- Estimate 27 − 24 by rounding each number to the nearest 10: ______
- Estimate 67 − 21 by rounding each number to the nearest 10: ______
- Estimate 51 − 52 by rounding each number to the nearest 10: ______
- Estimate 61 − 39 by rounding each number to the nearest 10: ______
- Estimate 68 − 48 by rounding each number to the nearest 10: ______
- Estimate 40 − 80 by rounding each number to the nearest 10: ______
- Estimate 57 − 81 by rounding each number to the nearest 10: ______
- Estimate 81 − 56 by rounding each number to the nearest 10: ______
- Estimate 63 − 83 by rounding each number to the nearest 10: ______
- Estimate 22 + 69 by rounding each number to the nearest 10: ______
- Estimate 61 + 80 by rounding each number to the nearest 10: ______
- Estimate 87 + 79 by rounding each number to the nearest 10: ______
- Estimate 43 − 26 by rounding each number to the nearest 10: ______
- Estimate 88 + 86 by rounding each number to the nearest 10: ______
- Estimate 53 + 83 by rounding each number to the nearest 10: ______
- Estimate 24 + 31 by rounding each number to the nearest 10: ______
- Estimate 34 − 46 by rounding each number to the nearest 10: ______
- Estimate 72 + 46 by rounding each number to the nearest 10: ______