# 7th Math Exam Vocabulary by Hunter Clarke

## 25 terms · 7th Grade

### lateral area

sum of areas of the lateral surfaces of a solid

### cylinder

solid with two paralles bases, which are congruent circles; has a lateral surface, not lateral face

### balance

the principal + the interest

### interest

the money the bank pays you

### theoretical probability

probability based upon what should happen

### outcome

any result that could possibly happen

### sample

a part of the population

### random sample

each (object or) person in the population has the same chance of being selected

### volume

the number of unit cubes, or cubic units, needed to fill a solid

### sphere

the set of all points in space that are an equal distance from a center point

### surface area

sum of the areas of all of the surfaces of a solid

### experimental probability

probability based upon data collected

### population

any group of (objects or) people in a survey

### permutation

an arrangement of a set of items in a particular order

### independent events

events that do not influence one another (the occurrence of one does not affect the probability of the second)

### combination

a group of items in which the order of the items is not considered

### dependent events

events that influence one another (the occurrence of one affects the probability of the second)

### sample space

all possible outcomes

### net

a two-dimensional pattern that can be folded to form a solid

### principal

your initial deposit into a savings account

### prism

a solid with two parallel and congruent polygonal faces

### pyramid

a solid with one base, which is a polygon; lateral faces are triangles

### slant height

height of the lateral faces on a pyramid

### cone

a solid with one circular base and one vertex; has a lateral surface, not lateral face

### factorial

the product of all positive integers less than or equal to a number

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