Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 29 by rounding each number to the nearest 10: ______
- Estimate 70 − 68 by rounding each number to the nearest 10: ______
- Estimate 85 + 67 by rounding each number to the nearest 10: ______
- Estimate 77 − 89 by rounding each number to the nearest 10: ______
- Estimate 70 − 70 by rounding each number to the nearest 10: ______
- Estimate 59 + 46 by rounding each number to the nearest 10: ______
- Estimate 70 + 52 by rounding each number to the nearest 10: ______
- Estimate 52 + 33 by rounding each number to the nearest 10: ______
- Estimate 78 − 87 by rounding each number to the nearest 10: ______
- Estimate 57 − 60 by rounding each number to the nearest 10: ______
- Estimate 23 − 63 by rounding each number to the nearest 10: ______
- Estimate 48 − 30 by rounding each number to the nearest 10: ______
- Estimate 28 − 77 by rounding each number to the nearest 10: ______
- Estimate 34 − 37 by rounding each number to the nearest 10: ______
- Estimate 62 + 67 by rounding each number to the nearest 10: ______
- Estimate 34 + 40 by rounding each number to the nearest 10: ______
- Estimate 23 + 57 by rounding each number to the nearest 10: ______
- Estimate 87 − 25 by rounding each number to the nearest 10: ______
- Estimate 55 − 37 by rounding each number to the nearest 10: ______
- Estimate 87 − 77 by rounding each number to the nearest 10: ______