Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 + 36 by rounding each number to the nearest 10: ______
- Estimate 24 + 60 by rounding each number to the nearest 10: ______
- Estimate 71 − 57 by rounding each number to the nearest 10: ______
- Estimate 85 − 47 by rounding each number to the nearest 10: ______
- Estimate 30 + 30 by rounding each number to the nearest 10: ______
- Estimate 55 − 70 by rounding each number to the nearest 10: ______
- Estimate 68 − 61 by rounding each number to the nearest 10: ______
- Estimate 33 + 73 by rounding each number to the nearest 10: ______
- Estimate 59 + 22 by rounding each number to the nearest 10: ______
- Estimate 61 − 42 by rounding each number to the nearest 10: ______
- Estimate 25 + 26 by rounding each number to the nearest 10: ______
- Estimate 45 − 43 by rounding each number to the nearest 10: ______
- Estimate 48 + 75 by rounding each number to the nearest 10: ______
- Estimate 34 − 41 by rounding each number to the nearest 10: ______
- Estimate 34 + 29 by rounding each number to the nearest 10: ______
- Estimate 78 − 37 by rounding each number to the nearest 10: ______
- Estimate 42 − 43 by rounding each number to the nearest 10: ______
- Estimate 61 − 43 by rounding each number to the nearest 10: ______
- Estimate 85 − 43 by rounding each number to the nearest 10: ______
- Estimate 43 + 87 by rounding each number to the nearest 10: ______