Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 57 by rounding each number to the nearest 10: ______
- Estimate 69 − 28 by rounding each number to the nearest 10: ______
- Estimate 54 + 34 by rounding each number to the nearest 10: ______
- Estimate 62 + 37 by rounding each number to the nearest 10: ______
- Estimate 27 − 22 by rounding each number to the nearest 10: ______
- Estimate 68 − 82 by rounding each number to the nearest 10: ______
- Estimate 28 − 28 by rounding each number to the nearest 10: ______
- Estimate 52 + 66 by rounding each number to the nearest 10: ______
- Estimate 38 + 29 by rounding each number to the nearest 10: ______
- Estimate 57 − 68 by rounding each number to the nearest 10: ______
- Estimate 71 + 61 by rounding each number to the nearest 10: ______
- Estimate 29 − 66 by rounding each number to the nearest 10: ______
- Estimate 27 + 43 by rounding each number to the nearest 10: ______
- Estimate 23 − 25 by rounding each number to the nearest 10: ______
- Estimate 59 − 83 by rounding each number to the nearest 10: ______
- Estimate 68 + 41 by rounding each number to the nearest 10: ______
- Estimate 52 − 31 by rounding each number to the nearest 10: ______
- Estimate 42 + 47 by rounding each number to the nearest 10: ______
- Estimate 89 − 59 by rounding each number to the nearest 10: ______
- Estimate 48 − 74 by rounding each number to the nearest 10: ______