Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 29 by rounding each number to the nearest 10: ______
- Estimate 54 + 62 by rounding each number to the nearest 10: ______
- Estimate 25 + 26 by rounding each number to the nearest 10: ______
- Estimate 87 − 25 by rounding each number to the nearest 10: ______
- Estimate 80 − 79 by rounding each number to the nearest 10: ______
- Estimate 55 + 70 by rounding each number to the nearest 10: ______
- Estimate 38 + 48 by rounding each number to the nearest 10: ______
- Estimate 75 − 37 by rounding each number to the nearest 10: ______
- Estimate 89 + 60 by rounding each number to the nearest 10: ______
- Estimate 34 − 28 by rounding each number to the nearest 10: ______
- Estimate 51 − 62 by rounding each number to the nearest 10: ______
- Estimate 40 − 45 by rounding each number to the nearest 10: ______
- Estimate 67 − 50 by rounding each number to the nearest 10: ______
- Estimate 69 − 38 by rounding each number to the nearest 10: ______
- Estimate 72 + 22 by rounding each number to the nearest 10: ______
- Estimate 85 + 59 by rounding each number to the nearest 10: ______
- Estimate 83 + 83 by rounding each number to the nearest 10: ______
- Estimate 81 − 75 by rounding each number to the nearest 10: ______
- Estimate 30 + 61 by rounding each number to the nearest 10: ______
- Estimate 26 − 37 by rounding each number to the nearest 10: ______