Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 + 82 by rounding each number to the nearest 10: ______
- Estimate 70 + 83 by rounding each number to the nearest 10: ______
- Estimate 27 + 73 by rounding each number to the nearest 10: ______
- Estimate 61 − 89 by rounding each number to the nearest 10: ______
- Estimate 25 − 52 by rounding each number to the nearest 10: ______
- Estimate 21 − 30 by rounding each number to the nearest 10: ______
- Estimate 69 − 42 by rounding each number to the nearest 10: ______
- Estimate 69 − 41 by rounding each number to the nearest 10: ______
- Estimate 58 − 53 by rounding each number to the nearest 10: ______
- Estimate 78 − 25 by rounding each number to the nearest 10: ______
- Estimate 37 − 69 by rounding each number to the nearest 10: ______
- Estimate 83 − 75 by rounding each number to the nearest 10: ______
- Estimate 57 + 24 by rounding each number to the nearest 10: ______
- Estimate 84 − 67 by rounding each number to the nearest 10: ______
- Estimate 74 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 − 26 by rounding each number to the nearest 10: ______
- Estimate 71 + 51 by rounding each number to the nearest 10: ______
- Estimate 73 + 44 by rounding each number to the nearest 10: ______
- Estimate 67 + 61 by rounding each number to the nearest 10: ______
- Estimate 29 + 83 by rounding each number to the nearest 10: ______