Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 − 52 by rounding each number to the nearest 10: ______
- Estimate 69 − 42 by rounding each number to the nearest 10: ______
- Estimate 75 + 53 by rounding each number to the nearest 10: ______
- Estimate 27 + 60 by rounding each number to the nearest 10: ______
- Estimate 81 + 57 by rounding each number to the nearest 10: ______
- Estimate 84 + 23 by rounding each number to the nearest 10: ______
- Estimate 22 − 74 by rounding each number to the nearest 10: ______
- Estimate 83 − 78 by rounding each number to the nearest 10: ______
- Estimate 61 + 22 by rounding each number to the nearest 10: ______
- Estimate 31 + 61 by rounding each number to the nearest 10: ______
- Estimate 54 + 73 by rounding each number to the nearest 10: ______
- Estimate 67 − 21 by rounding each number to the nearest 10: ______
- Estimate 41 − 39 by rounding each number to the nearest 10: ______
- Estimate 37 + 68 by rounding each number to the nearest 10: ______
- Estimate 24 − 26 by rounding each number to the nearest 10: ______
- Estimate 40 + 87 by rounding each number to the nearest 10: ______
- Estimate 47 + 36 by rounding each number to the nearest 10: ______
- Estimate 23 + 54 by rounding each number to the nearest 10: ______
- Estimate 70 − 81 by rounding each number to the nearest 10: ______
- Estimate 63 + 47 by rounding each number to the nearest 10: ______