Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 + 21 by rounding each number to the nearest 10: ______
- Estimate 72 − 22 by rounding each number to the nearest 10: ______
- Estimate 51 − 24 by rounding each number to the nearest 10: ______
- Estimate 53 − 73 by rounding each number to the nearest 10: ______
- Estimate 64 + 54 by rounding each number to the nearest 10: ______
- Estimate 83 + 80 by rounding each number to the nearest 10: ______
- Estimate 55 − 31 by rounding each number to the nearest 10: ______
- Estimate 23 + 40 by rounding each number to the nearest 10: ______
- Estimate 25 − 83 by rounding each number to the nearest 10: ______
- Estimate 21 − 87 by rounding each number to the nearest 10: ______
- Estimate 70 − 51 by rounding each number to the nearest 10: ______
- Estimate 61 − 83 by rounding each number to the nearest 10: ______
- Estimate 57 + 86 by rounding each number to the nearest 10: ______
- Estimate 45 + 60 by rounding each number to the nearest 10: ______
- Estimate 69 − 23 by rounding each number to the nearest 10: ______
- Estimate 62 − 43 by rounding each number to the nearest 10: ______
- Estimate 51 + 71 by rounding each number to the nearest 10: ______
- Estimate 61 + 75 by rounding each number to the nearest 10: ______
- Estimate 62 − 89 by rounding each number to the nearest 10: ______
- Estimate 76 − 43 by rounding each number to the nearest 10: ______