Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 37 by rounding each number to the nearest 10: ______
- Estimate 88 + 79 by rounding each number to the nearest 10: ______
- Estimate 75 − 77 by rounding each number to the nearest 10: ______
- Estimate 68 + 57 by rounding each number to the nearest 10: ______
- Estimate 76 + 49 by rounding each number to the nearest 10: ______
- Estimate 36 − 78 by rounding each number to the nearest 10: ______
- Estimate 23 + 31 by rounding each number to the nearest 10: ______
- Estimate 76 + 28 by rounding each number to the nearest 10: ______
- Estimate 85 + 60 by rounding each number to the nearest 10: ______
- Estimate 33 − 52 by rounding each number to the nearest 10: ______
- Estimate 32 − 66 by rounding each number to the nearest 10: ______
- Estimate 53 + 37 by rounding each number to the nearest 10: ______
- Estimate 55 + 40 by rounding each number to the nearest 10: ______
- Estimate 71 + 77 by rounding each number to the nearest 10: ______
- Estimate 33 − 25 by rounding each number to the nearest 10: ______
- Estimate 32 − 53 by rounding each number to the nearest 10: ______
- Estimate 45 + 80 by rounding each number to the nearest 10: ______
- Estimate 68 − 22 by rounding each number to the nearest 10: ______
- Estimate 48 + 70 by rounding each number to the nearest 10: ______
- Estimate 58 + 21 by rounding each number to the nearest 10: ______