Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 35 by rounding each number to the nearest 10: ______
- Estimate 72 − 26 by rounding each number to the nearest 10: ______
- Estimate 84 + 39 by rounding each number to the nearest 10: ______
- Estimate 58 − 56 by rounding each number to the nearest 10: ______
- Estimate 27 + 31 by rounding each number to the nearest 10: ______
- Estimate 65 + 51 by rounding each number to the nearest 10: ______
- Estimate 25 + 28 by rounding each number to the nearest 10: ______
- Estimate 61 + 26 by rounding each number to the nearest 10: ______
- Estimate 57 − 67 by rounding each number to the nearest 10: ______
- Estimate 79 + 60 by rounding each number to the nearest 10: ______
- Estimate 57 − 86 by rounding each number to the nearest 10: ______
- Estimate 46 + 38 by rounding each number to the nearest 10: ______
- Estimate 86 − 44 by rounding each number to the nearest 10: ______
- Estimate 39 + 43 by rounding each number to the nearest 10: ______
- Estimate 26 + 57 by rounding each number to the nearest 10: ______
- Estimate 70 − 43 by rounding each number to the nearest 10: ______
- Estimate 51 + 28 by rounding each number to the nearest 10: ______
- Estimate 89 − 84 by rounding each number to the nearest 10: ______
- Estimate 37 − 39 by rounding each number to the nearest 10: ______
- Estimate 82 + 54 by rounding each number to the nearest 10: ______