Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 + 88 by rounding each number to the nearest 10: ______
- Estimate 39 − 78 by rounding each number to the nearest 10: ______
- Estimate 82 − 75 by rounding each number to the nearest 10: ______
- Estimate 45 − 75 by rounding each number to the nearest 10: ______
- Estimate 74 + 63 by rounding each number to the nearest 10: ______
- Estimate 44 − 40 by rounding each number to the nearest 10: ______
- Estimate 83 + 57 by rounding each number to the nearest 10: ______
- Estimate 44 − 69 by rounding each number to the nearest 10: ______
- Estimate 82 + 42 by rounding each number to the nearest 10: ______
- Estimate 40 − 84 by rounding each number to the nearest 10: ______
- Estimate 46 + 30 by rounding each number to the nearest 10: ______
- Estimate 56 − 59 by rounding each number to the nearest 10: ______
- Estimate 77 − 89 by rounding each number to the nearest 10: ______
- Estimate 52 + 51 by rounding each number to the nearest 10: ______
- Estimate 55 + 68 by rounding each number to the nearest 10: ______
- Estimate 46 − 21 by rounding each number to the nearest 10: ______
- Estimate 33 − 51 by rounding each number to the nearest 10: ______
- Estimate 67 + 60 by rounding each number to the nearest 10: ______
- Estimate 81 − 85 by rounding each number to the nearest 10: ______
- Estimate 35 − 44 by rounding each number to the nearest 10: ______