Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 55 by rounding each number to the nearest 10: ______
- Estimate 22 + 63 by rounding each number to the nearest 10: ______
- Estimate 63 + 64 by rounding each number to the nearest 10: ______
- Estimate 54 + 43 by rounding each number to the nearest 10: ______
- Estimate 85 − 77 by rounding each number to the nearest 10: ______
- Estimate 49 + 58 by rounding each number to the nearest 10: ______
- Estimate 23 + 67 by rounding each number to the nearest 10: ______
- Estimate 58 + 57 by rounding each number to the nearest 10: ______
- Estimate 69 − 70 by rounding each number to the nearest 10: ______
- Estimate 41 + 87 by rounding each number to the nearest 10: ______
- Estimate 63 − 73 by rounding each number to the nearest 10: ______
- Estimate 50 + 77 by rounding each number to the nearest 10: ______
- Estimate 55 − 78 by rounding each number to the nearest 10: ______
- Estimate 30 − 47 by rounding each number to the nearest 10: ______
- Estimate 83 + 30 by rounding each number to the nearest 10: ______
- Estimate 24 − 62 by rounding each number to the nearest 10: ______
- Estimate 56 − 78 by rounding each number to the nearest 10: ______
- Estimate 70 + 71 by rounding each number to the nearest 10: ______
- Estimate 37 + 23 by rounding each number to the nearest 10: ______
- Estimate 35 − 77 by rounding each number to the nearest 10: ______