Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 24 by rounding each number to the nearest 10: ______
- Estimate 85 + 67 by rounding each number to the nearest 10: ______
- Estimate 70 − 73 by rounding each number to the nearest 10: ______
- Estimate 80 − 34 by rounding each number to the nearest 10: ______
- Estimate 80 + 66 by rounding each number to the nearest 10: ______
- Estimate 21 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 − 81 by rounding each number to the nearest 10: ______
- Estimate 75 − 75 by rounding each number to the nearest 10: ______
- Estimate 34 + 58 by rounding each number to the nearest 10: ______
- Estimate 78 + 83 by rounding each number to the nearest 10: ______
- Estimate 40 − 27 by rounding each number to the nearest 10: ______
- Estimate 43 − 35 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 70 − 31 by rounding each number to the nearest 10: ______
- Estimate 34 + 31 by rounding each number to the nearest 10: ______
- Estimate 39 − 40 by rounding each number to the nearest 10: ______
- Estimate 80 − 34 by rounding each number to the nearest 10: ______
- Estimate 57 + 22 by rounding each number to the nearest 10: ______
- Estimate 56 − 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 62 by rounding each number to the nearest 10: ______