Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 57 by rounding each number to the nearest 10: ______
- Estimate 71 − 65 by rounding each number to the nearest 10: ______
- Estimate 28 + 30 by rounding each number to the nearest 10: ______
- Estimate 74 − 71 by rounding each number to the nearest 10: ______
- Estimate 55 + 23 by rounding each number to the nearest 10: ______
- Estimate 52 − 25 by rounding each number to the nearest 10: ______
- Estimate 30 + 88 by rounding each number to the nearest 10: ______
- Estimate 41 + 81 by rounding each number to the nearest 10: ______
- Estimate 35 − 67 by rounding each number to the nearest 10: ______
- Estimate 73 − 24 by rounding each number to the nearest 10: ______
- Estimate 88 − 55 by rounding each number to the nearest 10: ______
- Estimate 28 + 43 by rounding each number to the nearest 10: ______
- Estimate 33 + 53 by rounding each number to the nearest 10: ______
- Estimate 87 − 52 by rounding each number to the nearest 10: ______
- Estimate 82 + 77 by rounding each number to the nearest 10: ______
- Estimate 23 + 74 by rounding each number to the nearest 10: ______
- Estimate 68 − 71 by rounding each number to the nearest 10: ______
- Estimate 33 − 32 by rounding each number to the nearest 10: ______
- Estimate 61 + 41 by rounding each number to the nearest 10: ______
- Estimate 30 − 39 by rounding each number to the nearest 10: ______