Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 34 − 67 by rounding each number to the nearest 10: ______
- Estimate 63 + 51 by rounding each number to the nearest 10: ______
- Estimate 64 − 45 by rounding each number to the nearest 10: ______
- Estimate 65 − 42 by rounding each number to the nearest 10: ______
- Estimate 86 − 81 by rounding each number to the nearest 10: ______
- Estimate 67 + 40 by rounding each number to the nearest 10: ______
- Estimate 85 + 35 by rounding each number to the nearest 10: ______
- Estimate 32 − 21 by rounding each number to the nearest 10: ______
- Estimate 50 + 70 by rounding each number to the nearest 10: ______
- Estimate 87 − 21 by rounding each number to the nearest 10: ______
- Estimate 82 − 71 by rounding each number to the nearest 10: ______
- Estimate 48 − 47 by rounding each number to the nearest 10: ______
- Estimate 47 + 67 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 67 + 34 by rounding each number to the nearest 10: ______
- Estimate 77 + 49 by rounding each number to the nearest 10: ______
- Estimate 80 − 65 by rounding each number to the nearest 10: ______
- Estimate 57 − 54 by rounding each number to the nearest 10: ______
- Estimate 48 + 38 by rounding each number to the nearest 10: ______
- Estimate 76 − 28 by rounding each number to the nearest 10: ______