Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 59 by rounding each number to the nearest 10: ______
- Estimate 58 + 43 by rounding each number to the nearest 10: ______
- Estimate 84 + 38 by rounding each number to the nearest 10: ______
- Estimate 70 − 79 by rounding each number to the nearest 10: ______
- Estimate 80 + 80 by rounding each number to the nearest 10: ______
- Estimate 48 + 28 by rounding each number to the nearest 10: ______
- Estimate 31 − 45 by rounding each number to the nearest 10: ______
- Estimate 66 − 36 by rounding each number to the nearest 10: ______
- Estimate 30 + 55 by rounding each number to the nearest 10: ______
- Estimate 42 − 83 by rounding each number to the nearest 10: ______
- Estimate 39 + 84 by rounding each number to the nearest 10: ______
- Estimate 63 − 27 by rounding each number to the nearest 10: ______
- Estimate 56 + 39 by rounding each number to the nearest 10: ______
- Estimate 23 − 31 by rounding each number to the nearest 10: ______
- Estimate 27 − 58 by rounding each number to the nearest 10: ______
- Estimate 79 − 22 by rounding each number to the nearest 10: ______
- Estimate 53 − 42 by rounding each number to the nearest 10: ______
- Estimate 30 + 61 by rounding each number to the nearest 10: ______
- Estimate 57 − 71 by rounding each number to the nearest 10: ______
- Estimate 30 − 53 by rounding each number to the nearest 10: ______