Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 71 by rounding each number to the nearest 10: ______
- Estimate 72 − 74 by rounding each number to the nearest 10: ______
- Estimate 43 − 37 by rounding each number to the nearest 10: ______
- Estimate 59 − 72 by rounding each number to the nearest 10: ______
- Estimate 29 + 61 by rounding each number to the nearest 10: ______
- Estimate 22 + 59 by rounding each number to the nearest 10: ______
- Estimate 47 − 37 by rounding each number to the nearest 10: ______
- Estimate 69 + 57 by rounding each number to the nearest 10: ______
- Estimate 71 − 28 by rounding each number to the nearest 10: ______
- Estimate 80 − 78 by rounding each number to the nearest 10: ______
- Estimate 36 + 77 by rounding each number to the nearest 10: ______
- Estimate 44 + 47 by rounding each number to the nearest 10: ______
- Estimate 62 − 70 by rounding each number to the nearest 10: ______
- Estimate 38 − 50 by rounding each number to the nearest 10: ______
- Estimate 59 + 28 by rounding each number to the nearest 10: ______
- Estimate 54 − 45 by rounding each number to the nearest 10: ______
- Estimate 24 + 69 by rounding each number to the nearest 10: ______
- Estimate 85 − 89 by rounding each number to the nearest 10: ______
- Estimate 52 + 80 by rounding each number to the nearest 10: ______
- Estimate 60 + 77 by rounding each number to the nearest 10: ______