Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 − 74 by rounding each number to the nearest 10: ______
- Estimate 31 − 56 by rounding each number to the nearest 10: ______
- Estimate 80 + 42 by rounding each number to the nearest 10: ______
- Estimate 57 + 29 by rounding each number to the nearest 10: ______
- Estimate 81 + 84 by rounding each number to the nearest 10: ______
- Estimate 69 − 59 by rounding each number to the nearest 10: ______
- Estimate 30 − 79 by rounding each number to the nearest 10: ______
- Estimate 85 − 47 by rounding each number to the nearest 10: ______
- Estimate 76 + 84 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 76 − 44 by rounding each number to the nearest 10: ______
- Estimate 83 + 31 by rounding each number to the nearest 10: ______
- Estimate 85 − 43 by rounding each number to the nearest 10: ______
- Estimate 77 + 42 by rounding each number to the nearest 10: ______
- Estimate 83 + 82 by rounding each number to the nearest 10: ______
- Estimate 29 + 86 by rounding each number to the nearest 10: ______
- Estimate 77 − 60 by rounding each number to the nearest 10: ______
- Estimate 38 − 63 by rounding each number to the nearest 10: ______
- Estimate 26 + 23 by rounding each number to the nearest 10: ______
- Estimate 81 + 41 by rounding each number to the nearest 10: ______