Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 − 43 by rounding each number to the nearest 10: ______
- Estimate 41 − 78 by rounding each number to the nearest 10: ______
- Estimate 25 − 44 by rounding each number to the nearest 10: ______
- Estimate 21 + 34 by rounding each number to the nearest 10: ______
- Estimate 75 − 84 by rounding each number to the nearest 10: ______
- Estimate 77 + 83 by rounding each number to the nearest 10: ______
- Estimate 76 + 79 by rounding each number to the nearest 10: ______
- Estimate 78 − 66 by rounding each number to the nearest 10: ______
- Estimate 72 + 42 by rounding each number to the nearest 10: ______
- Estimate 65 + 81 by rounding each number to the nearest 10: ______
- Estimate 44 − 80 by rounding each number to the nearest 10: ______
- Estimate 87 − 28 by rounding each number to the nearest 10: ______
- Estimate 24 + 86 by rounding each number to the nearest 10: ______
- Estimate 24 − 51 by rounding each number to the nearest 10: ______
- Estimate 61 + 38 by rounding each number to the nearest 10: ______
- Estimate 38 − 86 by rounding each number to the nearest 10: ______
- Estimate 33 + 25 by rounding each number to the nearest 10: ______
- Estimate 65 − 24 by rounding each number to the nearest 10: ______
- Estimate 75 + 74 by rounding each number to the nearest 10: ______
- Estimate 48 − 33 by rounding each number to the nearest 10: ______