Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 41 by rounding each number to the nearest 10: ______
- Estimate 54 − 84 by rounding each number to the nearest 10: ______
- Estimate 30 − 67 by rounding each number to the nearest 10: ______
- Estimate 62 + 85 by rounding each number to the nearest 10: ______
- Estimate 47 + 37 by rounding each number to the nearest 10: ______
- Estimate 44 + 46 by rounding each number to the nearest 10: ______
- Estimate 21 − 23 by rounding each number to the nearest 10: ______
- Estimate 31 + 24 by rounding each number to the nearest 10: ______
- Estimate 71 + 58 by rounding each number to the nearest 10: ______
- Estimate 51 − 69 by rounding each number to the nearest 10: ______
- Estimate 87 + 68 by rounding each number to the nearest 10: ______
- Estimate 35 − 60 by rounding each number to the nearest 10: ______
- Estimate 33 − 53 by rounding each number to the nearest 10: ______
- Estimate 53 − 55 by rounding each number to the nearest 10: ______
- Estimate 66 − 52 by rounding each number to the nearest 10: ______
- Estimate 66 − 38 by rounding each number to the nearest 10: ______
- Estimate 56 + 25 by rounding each number to the nearest 10: ______
- Estimate 70 + 54 by rounding each number to the nearest 10: ______
- Estimate 65 − 74 by rounding each number to the nearest 10: ______
- Estimate 31 − 57 by rounding each number to the nearest 10: ______