Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 56 by rounding each number to the nearest 10: ______
- Estimate 51 − 81 by rounding each number to the nearest 10: ______
- Estimate 69 + 45 by rounding each number to the nearest 10: ______
- Estimate 84 + 39 by rounding each number to the nearest 10: ______
- Estimate 64 − 47 by rounding each number to the nearest 10: ______
- Estimate 43 + 37 by rounding each number to the nearest 10: ______
- Estimate 69 + 75 by rounding each number to the nearest 10: ______
- Estimate 46 + 88 by rounding each number to the nearest 10: ______
- Estimate 59 − 40 by rounding each number to the nearest 10: ______
- Estimate 69 + 82 by rounding each number to the nearest 10: ______
- Estimate 78 + 57 by rounding each number to the nearest 10: ______
- Estimate 64 + 80 by rounding each number to the nearest 10: ______
- Estimate 28 − 57 by rounding each number to the nearest 10: ______
- Estimate 85 − 65 by rounding each number to the nearest 10: ______
- Estimate 88 + 39 by rounding each number to the nearest 10: ______
- Estimate 22 + 45 by rounding each number to the nearest 10: ______
- Estimate 71 − 50 by rounding each number to the nearest 10: ______
- Estimate 23 − 65 by rounding each number to the nearest 10: ______
- Estimate 49 + 54 by rounding each number to the nearest 10: ______
- Estimate 23 + 26 by rounding each number to the nearest 10: ______