Flashcards in Math Concepts Deck (61)

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1

## all the angles in a triangle add up to

### 180 degrees

2

## all angles of a quadrilateral add up to

### 360 degrees

3

## the formula for perimeter is

### length + length + width + width

4

## the formula for area is

### length times width

5

## the formula for volume is

### Length times width times height

6

## on a place value chart the values increase by a factor of

### by tens

7

## what is a multiple

### it is a answer to a multiplication question

8

## Acute angle

### a positive angle measuring more than 0 degrees but less that 90 degrees

9

## acute triangle

### a triangle in which all three angles measure less that 90 degrees

10

## angle

### the point of intersection of two rays or line segments

11

## area

### the space within a region measure in square units

12

## bar graph

### a graph that displays data using bats of equal width on a grid

13

## commutative property of addition

### the order in which numbers are added does not change the sum of the numbers

14

## commutative property of multiplication

### the order in which numbers are multiplied does not change the product of the numbers

15

## compatible numbers

### numbers that are close to the actual numbers but are easier to mentally add, subtract, multiply or divide

16

## composite number

### a number with a minimum of three factors including 1 and itself

17

## congruent

### having the same shape and size

18

## constant

### a term that does not change

19

## continuous data

### data that can take on any value within a range

20

## discrete data

### data with a limited number of possible values.

21

## what is an example of discrete data

### months of the year or days of the week

22

## double bar graph

### a graph used to make comparisons between two sets of data

23

## equilateral triangle

### a triangle with three sides of equal length and three angles of equal measure

24

## experimental probability

### the probability of any event determined by the results of an experiment

25

## expression

### a mathematical statement that may use numbers, variables, or both numbers and variables.

26

## What does an expression not contain?

### an equal sign

27

## factor

### a number that divides evenly into another number

28

## factor tree

### a method used to diagram the process of prime factorization

29

## greatest common factor

### the factor with the greatest value common to two or more numbers

30

## improper fraction

### a fraction whose numerator is greater than the denominator

31

## integer

### all positive whole numbers, the additive inverses of the whole numbers and zero

32

## interior angle

### an angle found inside a shape

33

## inverse operation

### an operation that has the opposite effect of the operation in an equation. Addition and subtraction are the inverse operations of each other. Multiplication and division are the inverse operations of each other

34

## isosceles triangle

### a triangle that has two sides that are equal and two angles that are equal

35

## line graph

### a graph where data points are connected with line segments to show change over time

36

## lowest common multiple

### the multiple with the least value that two numbers

37

## mixed number

### a number made up of a whole number and a proper fraction

38

## multiple

### the product of any given whole number

39

## obtuse angle

### an angle measuring more than 90 degrees but less than 180

40

## obtuse triangle

### a triangle in which one of the angles measures more than 90 degrees but less than 180 degrees

41

## pattern

### a list of numbers that follow a certain sequence

42

## percentage

### a fraction or ratio with a denominator of 100

43

## perimeter

### the measure of the distance around a closed two dimensional figure

44

## polygon

### a closed two dimensional shape with three or more straight line segments

45

## prime number

### a whole number with only 2 factors: itself and 1

46

## ratio

### a comparison of two or more quantities having similar units

47

## reflection

### a reflection is a transformation in which a figure is flipped along a line of symmetry to create a congruent image

48

## reflecting angle

### an angle whose measure is between 180 and 360

49

## right angle

### an angle measuring 90 degrees

50

## right triangle

### a triangle that has on right angle of 90 degrees

51

## rotation

### a transformation in which an image is turned around a fixed point

52

## rounding

### a process of replacing a number by an approximate value of that number

53

## scalene triangle

### a triangle with three sides of different lengths and three angles of different measures

54

## straight angle

### an angle measuring 180 degrees

55

## table of values

### a chart showing the relationship between x and y values

56

## term

### the value of a number in a given pattern

57

## term number

### the position of a term within a given pattern

58

## theoretical probability

### the change of an outcome happening under ideal circumstances

59

## translation

### a transformation that moves a point or image from one position to another along a vertical, horizontal or diagonal line

60

## variable

### a symbol that stands for an unknown number in an equation

61