Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 55 by rounding each number to the nearest 10: ______
- Estimate 63 + 24 by rounding each number to the nearest 10: ______
- Estimate 85 + 80 by rounding each number to the nearest 10: ______
- Estimate 42 + 75 by rounding each number to the nearest 10: ______
- Estimate 89 + 69 by rounding each number to the nearest 10: ______
- Estimate 57 − 45 by rounding each number to the nearest 10: ______
- Estimate 53 + 49 by rounding each number to the nearest 10: ______
- Estimate 57 − 37 by rounding each number to the nearest 10: ______
- Estimate 39 + 39 by rounding each number to the nearest 10: ______
- Estimate 62 − 88 by rounding each number to the nearest 10: ______
- Estimate 45 + 47 by rounding each number to the nearest 10: ______
- Estimate 30 − 89 by rounding each number to the nearest 10: ______
- Estimate 79 + 24 by rounding each number to the nearest 10: ______
- Estimate 38 + 47 by rounding each number to the nearest 10: ______
- Estimate 81 + 55 by rounding each number to the nearest 10: ______
- Estimate 75 − 22 by rounding each number to the nearest 10: ______
- Estimate 45 + 56 by rounding each number to the nearest 10: ______
- Estimate 89 − 31 by rounding each number to the nearest 10: ______
- Estimate 73 − 42 by rounding each number to the nearest 10: ______
- Estimate 21 + 31 by rounding each number to the nearest 10: ______