Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 67 by rounding each number to the nearest 10: ______
- Estimate 57 − 71 by rounding each number to the nearest 10: ______
- Estimate 89 − 31 by rounding each number to the nearest 10: ______
- Estimate 77 + 51 by rounding each number to the nearest 10: ______
- Estimate 73 + 79 by rounding each number to the nearest 10: ______
- Estimate 28 − 36 by rounding each number to the nearest 10: ______
- Estimate 42 + 22 by rounding each number to the nearest 10: ______
- Estimate 36 − 42 by rounding each number to the nearest 10: ______
- Estimate 69 − 75 by rounding each number to the nearest 10: ______
- Estimate 53 + 75 by rounding each number to the nearest 10: ______
- Estimate 41 − 74 by rounding each number to the nearest 10: ______
- Estimate 44 + 77 by rounding each number to the nearest 10: ______
- Estimate 76 − 59 by rounding each number to the nearest 10: ______
- Estimate 36 + 50 by rounding each number to the nearest 10: ______
- Estimate 46 + 61 by rounding each number to the nearest 10: ______
- Estimate 81 + 28 by rounding each number to the nearest 10: ______
- Estimate 42 − 25 by rounding each number to the nearest 10: ______
- Estimate 85 − 34 by rounding each number to the nearest 10: ______
- Estimate 65 − 37 by rounding each number to the nearest 10: ______
- Estimate 25 + 58 by rounding each number to the nearest 10: ______