Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 + 66 by rounding each number to the nearest 10: ______
- Estimate 48 − 56 by rounding each number to the nearest 10: ______
- Estimate 70 + 29 by rounding each number to the nearest 10: ______
- Estimate 40 − 74 by rounding each number to the nearest 10: ______
- Estimate 82 − 63 by rounding each number to the nearest 10: ______
- Estimate 87 + 59 by rounding each number to the nearest 10: ______
- Estimate 68 − 86 by rounding each number to the nearest 10: ______
- Estimate 77 − 53 by rounding each number to the nearest 10: ______
- Estimate 43 + 83 by rounding each number to the nearest 10: ______
- Estimate 51 − 89 by rounding each number to the nearest 10: ______
- Estimate 78 − 56 by rounding each number to the nearest 10: ______
- Estimate 65 + 25 by rounding each number to the nearest 10: ______
- Estimate 37 − 47 by rounding each number to the nearest 10: ______
- Estimate 21 − 27 by rounding each number to the nearest 10: ______
- Estimate 33 + 21 by rounding each number to the nearest 10: ______
- Estimate 68 − 57 by rounding each number to the nearest 10: ______
- Estimate 51 + 46 by rounding each number to the nearest 10: ______
- Estimate 69 − 26 by rounding each number to the nearest 10: ______
- Estimate 53 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 − 21 by rounding each number to the nearest 10: ______