Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 81 by rounding each number to the nearest 10: ______
- Estimate 47 + 70 by rounding each number to the nearest 10: ______
- Estimate 48 − 28 by rounding each number to the nearest 10: ______
- Estimate 79 − 61 by rounding each number to the nearest 10: ______
- Estimate 27 + 65 by rounding each number to the nearest 10: ______
- Estimate 42 + 87 by rounding each number to the nearest 10: ______
- Estimate 59 + 53 by rounding each number to the nearest 10: ______
- Estimate 63 − 34 by rounding each number to the nearest 10: ______
- Estimate 28 − 53 by rounding each number to the nearest 10: ______
- Estimate 30 − 55 by rounding each number to the nearest 10: ______
- Estimate 84 + 24 by rounding each number to the nearest 10: ______
- Estimate 79 − 22 by rounding each number to the nearest 10: ______
- Estimate 66 − 74 by rounding each number to the nearest 10: ______
- Estimate 47 − 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 21 by rounding each number to the nearest 10: ______
- Estimate 80 − 75 by rounding each number to the nearest 10: ______
- Estimate 23 + 62 by rounding each number to the nearest 10: ______
- Estimate 54 + 57 by rounding each number to the nearest 10: ______
- Estimate 89 + 33 by rounding each number to the nearest 10: ______
- Estimate 47 + 51 by rounding each number to the nearest 10: ______