Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 40 by rounding each number to the nearest 10: ______
- Estimate 25 + 28 by rounding each number to the nearest 10: ______
- Estimate 30 − 25 by rounding each number to the nearest 10: ______
- Estimate 40 − 84 by rounding each number to the nearest 10: ______
- Estimate 48 − 45 by rounding each number to the nearest 10: ______
- Estimate 61 + 68 by rounding each number to the nearest 10: ______
- Estimate 48 − 45 by rounding each number to the nearest 10: ______
- Estimate 83 + 73 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 62 − 53 by rounding each number to the nearest 10: ______
- Estimate 83 − 24 by rounding each number to the nearest 10: ______
- Estimate 84 − 61 by rounding each number to the nearest 10: ______
- Estimate 78 − 77 by rounding each number to the nearest 10: ______
- Estimate 80 + 55 by rounding each number to the nearest 10: ______
- Estimate 83 − 83 by rounding each number to the nearest 10: ______
- Estimate 40 − 25 by rounding each number to the nearest 10: ______
- Estimate 88 − 65 by rounding each number to the nearest 10: ______
- Estimate 54 + 67 by rounding each number to the nearest 10: ______
- Estimate 31 − 50 by rounding each number to the nearest 10: ______
- Estimate 63 − 57 by rounding each number to the nearest 10: ______