Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 56 by rounding each number to the nearest 10: ______
- Estimate 80 − 68 by rounding each number to the nearest 10: ______
- Estimate 77 − 26 by rounding each number to the nearest 10: ______
- Estimate 46 + 65 by rounding each number to the nearest 10: ______
- Estimate 79 + 33 by rounding each number to the nearest 10: ______
- Estimate 35 − 60 by rounding each number to the nearest 10: ______
- Estimate 53 + 76 by rounding each number to the nearest 10: ______
- Estimate 30 − 57 by rounding each number to the nearest 10: ______
- Estimate 58 − 61 by rounding each number to the nearest 10: ______
- Estimate 76 − 87 by rounding each number to the nearest 10: ______
- Estimate 84 + 43 by rounding each number to the nearest 10: ______
- Estimate 86 + 22 by rounding each number to the nearest 10: ______
- Estimate 38 + 89 by rounding each number to the nearest 10: ______
- Estimate 86 − 78 by rounding each number to the nearest 10: ______
- Estimate 45 + 44 by rounding each number to the nearest 10: ______
- Estimate 32 + 38 by rounding each number to the nearest 10: ______
- Estimate 42 − 45 by rounding each number to the nearest 10: ______
- Estimate 67 + 37 by rounding each number to the nearest 10: ______
- Estimate 85 − 83 by rounding each number to the nearest 10: ______
- Estimate 54 − 53 by rounding each number to the nearest 10: ______