Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 − 42 by rounding each number to the nearest 10: ______
- Estimate 88 + 69 by rounding each number to the nearest 10: ______
- Estimate 62 + 82 by rounding each number to the nearest 10: ______
- Estimate 50 − 35 by rounding each number to the nearest 10: ______
- Estimate 50 − 29 by rounding each number to the nearest 10: ______
- Estimate 86 − 71 by rounding each number to the nearest 10: ______
- Estimate 46 − 72 by rounding each number to the nearest 10: ______
- Estimate 48 − 34 by rounding each number to the nearest 10: ______
- Estimate 55 + 46 by rounding each number to the nearest 10: ______
- Estimate 21 + 57 by rounding each number to the nearest 10: ______
- Estimate 25 + 87 by rounding each number to the nearest 10: ______
- Estimate 42 − 75 by rounding each number to the nearest 10: ______
- Estimate 40 − 85 by rounding each number to the nearest 10: ______
- Estimate 53 − 81 by rounding each number to the nearest 10: ______
- Estimate 50 + 24 by rounding each number to the nearest 10: ______
- Estimate 85 + 80 by rounding each number to the nearest 10: ______
- Estimate 80 + 79 by rounding each number to the nearest 10: ______
- Estimate 67 − 22 by rounding each number to the nearest 10: ______
- Estimate 77 + 70 by rounding each number to the nearest 10: ______
- Estimate 55 − 39 by rounding each number to the nearest 10: ______