Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 41 by rounding each number to the nearest 10: ______
- Estimate 44 + 88 by rounding each number to the nearest 10: ______
- Estimate 71 + 65 by rounding each number to the nearest 10: ______
- Estimate 86 + 54 by rounding each number to the nearest 10: ______
- Estimate 34 − 74 by rounding each number to the nearest 10: ______
- Estimate 83 − 67 by rounding each number to the nearest 10: ______
- Estimate 26 + 53 by rounding each number to the nearest 10: ______
- Estimate 82 − 48 by rounding each number to the nearest 10: ______
- Estimate 59 − 81 by rounding each number to the nearest 10: ______
- Estimate 81 + 51 by rounding each number to the nearest 10: ______
- Estimate 77 + 31 by rounding each number to the nearest 10: ______
- Estimate 26 + 68 by rounding each number to the nearest 10: ______
- Estimate 86 − 70 by rounding each number to the nearest 10: ______
- Estimate 80 + 36 by rounding each number to the nearest 10: ______
- Estimate 50 − 74 by rounding each number to the nearest 10: ______
- Estimate 63 + 81 by rounding each number to the nearest 10: ______
- Estimate 67 − 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 43 by rounding each number to the nearest 10: ______
- Estimate 67 + 54 by rounding each number to the nearest 10: ______
- Estimate 60 − 79 by rounding each number to the nearest 10: ______