Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 47 by rounding each number to the nearest 10: ______
- Estimate 53 − 89 by rounding each number to the nearest 10: ______
- Estimate 73 − 57 by rounding each number to the nearest 10: ______
- Estimate 28 + 77 by rounding each number to the nearest 10: ______
- Estimate 57 − 44 by rounding each number to the nearest 10: ______
- Estimate 63 + 78 by rounding each number to the nearest 10: ______
- Estimate 33 − 80 by rounding each number to the nearest 10: ______
- Estimate 54 + 86 by rounding each number to the nearest 10: ______
- Estimate 54 − 30 by rounding each number to the nearest 10: ______
- Estimate 61 + 83 by rounding each number to the nearest 10: ______
- Estimate 86 − 65 by rounding each number to the nearest 10: ______
- Estimate 36 − 85 by rounding each number to the nearest 10: ______
- Estimate 78 − 77 by rounding each number to the nearest 10: ______
- Estimate 59 + 82 by rounding each number to the nearest 10: ______
- Estimate 75 − 29 by rounding each number to the nearest 10: ______
- Estimate 69 − 39 by rounding each number to the nearest 10: ______
- Estimate 63 + 45 by rounding each number to the nearest 10: ______
- Estimate 33 + 69 by rounding each number to the nearest 10: ______
- Estimate 22 + 81 by rounding each number to the nearest 10: ______
- Estimate 32 − 67 by rounding each number to the nearest 10: ______