Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 + 63 by rounding each number to the nearest 10: ______
- Estimate 65 − 48 by rounding each number to the nearest 10: ______
- Estimate 45 + 22 by rounding each number to the nearest 10: ______
- Estimate 43 + 42 by rounding each number to the nearest 10: ______
- Estimate 63 − 48 by rounding each number to the nearest 10: ______
- Estimate 75 + 78 by rounding each number to the nearest 10: ______
- Estimate 52 + 61 by rounding each number to the nearest 10: ______
- Estimate 45 + 77 by rounding each number to the nearest 10: ______
- Estimate 86 + 77 by rounding each number to the nearest 10: ______
- Estimate 63 − 67 by rounding each number to the nearest 10: ______
- Estimate 29 + 69 by rounding each number to the nearest 10: ______
- Estimate 65 + 46 by rounding each number to the nearest 10: ______
- Estimate 23 − 40 by rounding each number to the nearest 10: ______
- Estimate 39 + 25 by rounding each number to the nearest 10: ______
- Estimate 63 − 30 by rounding each number to the nearest 10: ______
- Estimate 31 − 38 by rounding each number to the nearest 10: ______
- Estimate 50 + 80 by rounding each number to the nearest 10: ______
- Estimate 74 − 89 by rounding each number to the nearest 10: ______
- Estimate 62 + 54 by rounding each number to the nearest 10: ______
- Estimate 76 + 25 by rounding each number to the nearest 10: ______