Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 59 + 30 by rounding each number to the nearest 10: ______
- Estimate 23 − 75 by rounding each number to the nearest 10: ______
- Estimate 72 − 43 by rounding each number to the nearest 10: ______
- Estimate 73 + 39 by rounding each number to the nearest 10: ______
- Estimate 85 − 72 by rounding each number to the nearest 10: ______
- Estimate 63 + 69 by rounding each number to the nearest 10: ______
- Estimate 76 − 83 by rounding each number to the nearest 10: ______
- Estimate 44 + 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 82 by rounding each number to the nearest 10: ______
- Estimate 70 + 60 by rounding each number to the nearest 10: ______
- Estimate 76 + 47 by rounding each number to the nearest 10: ______
- Estimate 53 − 56 by rounding each number to the nearest 10: ______
- Estimate 74 − 77 by rounding each number to the nearest 10: ______
- Estimate 30 + 77 by rounding each number to the nearest 10: ______
- Estimate 26 − 78 by rounding each number to the nearest 10: ______
- Estimate 72 + 75 by rounding each number to the nearest 10: ______
- Estimate 63 + 81 by rounding each number to the nearest 10: ______
- Estimate 80 + 72 by rounding each number to the nearest 10: ______
- Estimate 59 − 46 by rounding each number to the nearest 10: ______
- Estimate 29 − 40 by rounding each number to the nearest 10: ______