Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 + 68 by rounding each number to the nearest 10: ______
- Estimate 25 − 54 by rounding each number to the nearest 10: ______
- Estimate 44 + 25 by rounding each number to the nearest 10: ______
- Estimate 69 + 40 by rounding each number to the nearest 10: ______
- Estimate 66 + 40 by rounding each number to the nearest 10: ______
- Estimate 81 − 78 by rounding each number to the nearest 10: ______
- Estimate 62 + 37 by rounding each number to the nearest 10: ______
- Estimate 33 + 38 by rounding each number to the nearest 10: ______
- Estimate 63 + 60 by rounding each number to the nearest 10: ______
- Estimate 34 − 39 by rounding each number to the nearest 10: ______
- Estimate 71 + 24 by rounding each number to the nearest 10: ______
- Estimate 30 + 70 by rounding each number to the nearest 10: ______
- Estimate 89 + 58 by rounding each number to the nearest 10: ______
- Estimate 87 + 74 by rounding each number to the nearest 10: ______
- Estimate 22 − 42 by rounding each number to the nearest 10: ______
- Estimate 65 − 39 by rounding each number to the nearest 10: ______
- Estimate 65 + 84 by rounding each number to the nearest 10: ______
- Estimate 85 + 46 by rounding each number to the nearest 10: ______
- Estimate 21 − 87 by rounding each number to the nearest 10: ______
- Estimate 83 − 51 by rounding each number to the nearest 10: ______