Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 + 74 by rounding each number to the nearest 10: ______
- Estimate 60 + 87 by rounding each number to the nearest 10: ______
- Estimate 74 + 59 by rounding each number to the nearest 10: ______
- Estimate 79 − 50 by rounding each number to the nearest 10: ______
- Estimate 86 − 58 by rounding each number to the nearest 10: ______
- Estimate 71 + 29 by rounding each number to the nearest 10: ______
- Estimate 67 + 27 by rounding each number to the nearest 10: ______
- Estimate 86 + 52 by rounding each number to the nearest 10: ______
- Estimate 45 − 26 by rounding each number to the nearest 10: ______
- Estimate 24 + 67 by rounding each number to the nearest 10: ______
- Estimate 85 + 62 by rounding each number to the nearest 10: ______
- Estimate 21 − 42 by rounding each number to the nearest 10: ______
- Estimate 68 − 77 by rounding each number to the nearest 10: ______
- Estimate 54 + 61 by rounding each number to the nearest 10: ______
- Estimate 53 − 83 by rounding each number to the nearest 10: ______
- Estimate 54 + 84 by rounding each number to the nearest 10: ______
- Estimate 55 + 49 by rounding each number to the nearest 10: ______
- Estimate 68 − 28 by rounding each number to the nearest 10: ______
- Estimate 75 + 22 by rounding each number to the nearest 10: ______
- Estimate 76 + 62 by rounding each number to the nearest 10: ______