Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 74 − 66 by rounding each number to the nearest 10: ______
- Estimate 70 − 52 by rounding each number to the nearest 10: ______
- Estimate 26 + 87 by rounding each number to the nearest 10: ______
- Estimate 63 + 30 by rounding each number to the nearest 10: ______
- Estimate 42 − 27 by rounding each number to the nearest 10: ______
- Estimate 42 + 29 by rounding each number to the nearest 10: ______
- Estimate 24 + 24 by rounding each number to the nearest 10: ______
- Estimate 22 − 23 by rounding each number to the nearest 10: ______
- Estimate 66 − 85 by rounding each number to the nearest 10: ______
- Estimate 89 − 37 by rounding each number to the nearest 10: ______
- Estimate 63 − 42 by rounding each number to the nearest 10: ______
- Estimate 59 − 62 by rounding each number to the nearest 10: ______
- Estimate 84 − 24 by rounding each number to the nearest 10: ______
- Estimate 25 − 24 by rounding each number to the nearest 10: ______
- Estimate 85 − 78 by rounding each number to the nearest 10: ______
- Estimate 68 + 61 by rounding each number to the nearest 10: ______
- Estimate 25 + 38 by rounding each number to the nearest 10: ______
- Estimate 48 − 39 by rounding each number to the nearest 10: ______
- Estimate 86 − 67 by rounding each number to the nearest 10: ______
- Estimate 69 − 66 by rounding each number to the nearest 10: ______