Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 + 89 by rounding each number to the nearest 10: ______
- Estimate 55 + 31 by rounding each number to the nearest 10: ______
- Estimate 33 + 83 by rounding each number to the nearest 10: ______
- Estimate 59 + 37 by rounding each number to the nearest 10: ______
- Estimate 74 − 66 by rounding each number to the nearest 10: ______
- Estimate 53 − 55 by rounding each number to the nearest 10: ______
- Estimate 31 + 61 by rounding each number to the nearest 10: ______
- Estimate 27 + 28 by rounding each number to the nearest 10: ______
- Estimate 43 − 30 by rounding each number to the nearest 10: ______
- Estimate 34 − 54 by rounding each number to the nearest 10: ______
- Estimate 22 − 28 by rounding each number to the nearest 10: ______
- Estimate 63 − 67 by rounding each number to the nearest 10: ______
- Estimate 81 − 77 by rounding each number to the nearest 10: ______
- Estimate 36 + 49 by rounding each number to the nearest 10: ______
- Estimate 24 − 70 by rounding each number to the nearest 10: ______
- Estimate 87 + 89 by rounding each number to the nearest 10: ______
- Estimate 28 − 39 by rounding each number to the nearest 10: ______
- Estimate 79 + 80 by rounding each number to the nearest 10: ______
- Estimate 81 + 74 by rounding each number to the nearest 10: ______
- Estimate 81 + 30 by rounding each number to the nearest 10: ______