Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 − 43 by rounding each number to the nearest 10: ______
- Estimate 42 − 84 by rounding each number to the nearest 10: ______
- Estimate 71 − 89 by rounding each number to the nearest 10: ______
- Estimate 71 − 39 by rounding each number to the nearest 10: ______
- Estimate 59 + 41 by rounding each number to the nearest 10: ______
- Estimate 66 + 84 by rounding each number to the nearest 10: ______
- Estimate 31 − 82 by rounding each number to the nearest 10: ______
- Estimate 56 − 27 by rounding each number to the nearest 10: ______
- Estimate 39 + 74 by rounding each number to the nearest 10: ______
- Estimate 80 + 86 by rounding each number to the nearest 10: ______
- Estimate 40 − 41 by rounding each number to the nearest 10: ______
- Estimate 57 + 42 by rounding each number to the nearest 10: ______
- Estimate 53 − 64 by rounding each number to the nearest 10: ______
- Estimate 23 + 64 by rounding each number to the nearest 10: ______
- Estimate 77 + 77 by rounding each number to the nearest 10: ______
- Estimate 78 + 84 by rounding each number to the nearest 10: ______
- Estimate 81 + 65 by rounding each number to the nearest 10: ______
- Estimate 85 + 69 by rounding each number to the nearest 10: ______
- Estimate 21 − 47 by rounding each number to the nearest 10: ______
- Estimate 34 − 26 by rounding each number to the nearest 10: ______