## Glossary of eog review middle school math 2

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- Same shape, same size.

Exactly the same. - Congruent

- Tells us how many times to multiply the number times itself. Write the products of the same numbers in a shorter way.
- Exponents

- True or False?

Area is the region inside a figure. - True

- Perimeter is the distance around a polygon. How do you find perimeter?
- You add ALL the lengths of the sides to find perimeter.

- Mean is another word for average. How do you find the mean?
- Add all the numbers together then divide by how many numbers you added.

- When a group of numbers is ordered from smallest to largest, the middle number is called the...
- Median

- The chance of something happening?
- Probability

Number of ways an outcome can happen divided by the number of possible outcomes.

- There are three types of graphs that are used to compare data.
- Line

Bar

Cicle

- Scatter Plots are graphs that show the relationship (correlation) between two sets of data.
- They can have a positive, negative, or no relationship (correlation).

- Positive Relationship (correlation)
- The dots start at the bottom and go up (positive direction)

- Negative Relationship

(correlation) - The dots start at the top of the scatter plot and go down (negative direction)

- No Relationship

(corrleation - The dots do not tend to go up or down

- Right Angle
- Measures exactly 90 degrees

- Acute Angle
- Measures less than 90 degrees

- Obtuse Angle
- Measures greater than 90 degrees