Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 − 34 by rounding each number to the nearest 10: ______
- Estimate 68 − 55 by rounding each number to the nearest 10: ______
- Estimate 55 + 55 by rounding each number to the nearest 10: ______
- Estimate 60 + 62 by rounding each number to the nearest 10: ______
- Estimate 35 + 21 by rounding each number to the nearest 10: ______
- Estimate 23 + 44 by rounding each number to the nearest 10: ______
- Estimate 54 + 83 by rounding each number to the nearest 10: ______
- Estimate 51 + 79 by rounding each number to the nearest 10: ______
- Estimate 38 − 67 by rounding each number to the nearest 10: ______
- Estimate 40 − 36 by rounding each number to the nearest 10: ______
- Estimate 38 + 63 by rounding each number to the nearest 10: ______
- Estimate 62 − 58 by rounding each number to the nearest 10: ______
- Estimate 42 + 31 by rounding each number to the nearest 10: ______
- Estimate 25 − 82 by rounding each number to the nearest 10: ______
- Estimate 83 + 54 by rounding each number to the nearest 10: ______
- Estimate 76 + 38 by rounding each number to the nearest 10: ______
- Estimate 41 + 60 by rounding each number to the nearest 10: ______
- Estimate 82 − 23 by rounding each number to the nearest 10: ______
- Estimate 22 − 38 by rounding each number to the nearest 10: ______
- Estimate 50 + 58 by rounding each number to the nearest 10: ______