Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 67 by rounding each number to the nearest 10: ______
- Estimate 24 + 40 by rounding each number to the nearest 10: ______
- Estimate 44 − 36 by rounding each number to the nearest 10: ______
- Estimate 29 + 63 by rounding each number to the nearest 10: ______
- Estimate 54 − 28 by rounding each number to the nearest 10: ______
- Estimate 27 + 75 by rounding each number to the nearest 10: ______
- Estimate 72 − 80 by rounding each number to the nearest 10: ______
- Estimate 32 − 89 by rounding each number to the nearest 10: ______
- Estimate 59 + 32 by rounding each number to the nearest 10: ______
- Estimate 53 + 27 by rounding each number to the nearest 10: ______
- Estimate 88 − 24 by rounding each number to the nearest 10: ______
- Estimate 62 + 50 by rounding each number to the nearest 10: ______
- Estimate 55 − 87 by rounding each number to the nearest 10: ______
- Estimate 74 + 89 by rounding each number to the nearest 10: ______
- Estimate 23 + 57 by rounding each number to the nearest 10: ______
- Estimate 46 − 51 by rounding each number to the nearest 10: ______
- Estimate 69 + 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 77 by rounding each number to the nearest 10: ______
- Estimate 30 − 24 by rounding each number to the nearest 10: ______
- Estimate 22 − 57 by rounding each number to the nearest 10: ______