Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 + 88 by rounding each number to the nearest 10: ______
- Estimate 81 − 55 by rounding each number to the nearest 10: ______
- Estimate 39 − 70 by rounding each number to the nearest 10: ______
- Estimate 85 + 62 by rounding each number to the nearest 10: ______
- Estimate 89 + 79 by rounding each number to the nearest 10: ______
- Estimate 49 − 28 by rounding each number to the nearest 10: ______
- Estimate 77 − 23 by rounding each number to the nearest 10: ______
- Estimate 45 + 25 by rounding each number to the nearest 10: ______
- Estimate 83 − 28 by rounding each number to the nearest 10: ______
- Estimate 73 − 74 by rounding each number to the nearest 10: ______
- Estimate 50 + 39 by rounding each number to the nearest 10: ______
- Estimate 69 − 40 by rounding each number to the nearest 10: ______
- Estimate 40 + 40 by rounding each number to the nearest 10: ______
- Estimate 85 + 33 by rounding each number to the nearest 10: ______
- Estimate 54 + 61 by rounding each number to the nearest 10: ______
- Estimate 48 + 57 by rounding each number to the nearest 10: ______
- Estimate 81 + 61 by rounding each number to the nearest 10: ______
- Estimate 84 + 65 by rounding each number to the nearest 10: ______
- Estimate 68 − 60 by rounding each number to the nearest 10: ______
- Estimate 87 + 59 by rounding each number to the nearest 10: ______