Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 68 by rounding each number to the nearest 10: ______
- Estimate 38 − 87 by rounding each number to the nearest 10: ______
- Estimate 64 + 35 by rounding each number to the nearest 10: ______
- Estimate 36 − 26 by rounding each number to the nearest 10: ______
- Estimate 78 + 62 by rounding each number to the nearest 10: ______
- Estimate 69 − 24 by rounding each number to the nearest 10: ______
- Estimate 66 + 65 by rounding each number to the nearest 10: ______
- Estimate 50 + 82 by rounding each number to the nearest 10: ______
- Estimate 62 − 52 by rounding each number to the nearest 10: ______
- Estimate 34 + 25 by rounding each number to the nearest 10: ______
- Estimate 57 + 24 by rounding each number to the nearest 10: ______
- Estimate 65 − 26 by rounding each number to the nearest 10: ______
- Estimate 73 − 47 by rounding each number to the nearest 10: ______
- Estimate 27 + 53 by rounding each number to the nearest 10: ______
- Estimate 25 + 62 by rounding each number to the nearest 10: ______
- Estimate 70 − 71 by rounding each number to the nearest 10: ______
- Estimate 65 + 34 by rounding each number to the nearest 10: ______
- Estimate 68 − 31 by rounding each number to the nearest 10: ______
- Estimate 51 + 63 by rounding each number to the nearest 10: ______
- Estimate 31 + 63 by rounding each number to the nearest 10: ______