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SAXON MATH 7/6 HOMESCHOOL > MATH TERMS - INVEST 5 to LESSON 60 > Flashcards

MATH TERMS - INVEST 5 to LESSON 60 Flashcards

1
Q

Mean

A

The average of numbers

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2
Q

Median

A

The middle number when the data are arranged in numerical order

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3
Q

Mode

A

The most frequently occurring number

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4
Q

Range

A

The difference between the largest number and the smallest number in a list.

5, 17, 12, 34, 29, 13

To calculate the range of these numbers, subtract the smallest number from the largest number.

34 - 5 = 29

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5
Q

Stem-and-leaf Plot

A

A method of graphing a collection of numbers by placing the “stem” digits (or initial digits) in one column and the “leaf” digits (or remaining digits) out to the right.

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6
Q

Reciprocal

A

Two numbers whose product is 1

3/4 x 4/3 = 1

Therefore the fractions 3/4 and 4/3 are reciprocals.

Use this when you need to find how many times a fraction goes into 1.

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7
Q

pi (π)

A

The number of diameters equal to the circumference of a circle.

Approximate values of pi are 3.14 and 22/7

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8
Q

Graph

A

(1) Noun: A diagram, such as a bar graph, a circle graph (pie chart), or a line graph, that displays quantitative information.

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9
Q

Mixed Number

A

A whole number and a fraction together.

2 1/3 means “two and one third”

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10
Q

Line Plot

A

A method of plotting a set of numbers by placing a mark above a number on a number line each time it occurs in the set.

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11
Q

Average

A

The number found when the sum of two or more numbers is divided by the number of addends in the sum: also called mean.

5 + 6 + 10 = 21
21 ÷ 3 = 7

The average of 5, 6, and 10 is 7.

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12
Q

Bimodal

A

Having two modes.

(Note: A Mode is the most frequently occurring number within a set of numbers.)

EXAMPLE:
In the data set 5, 1, 44, 5, 7, 13, 9, 7, the two modes are 5 and 7. So it is Bimodal.

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13
Q

Center

A

The point inside a circle from which all points on the circle are equally distant.

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14
Q

Circle Graph

A

A method of displaying data, often used to show information about percentages or parts of a whole. A circle graph is made of a circle divided into sectors.

It is also called a Pie Graph because it looks like a pie.

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15
Q

Circumference

A

The perimeter of a circle

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16
Q

Perimeter

A

The distance around a closed flat shape.

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17
Q

Perfect Square

A

The product when a whole number is multiplied by itself.

The number 9 is a Perfect Square because 3 x 3 = 9

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18
Q

Percent

A

A fraction whose denominator of 100 is expressed as a percent sign (%).

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19
Q

Pictograph

A

A method of displaying data that involves using pictures to represent the data being counted.

20
Q

Positive Numbers

A

Numbers that are greater than zero.

.25 and 157 are positive numbers.

-40 and 0 are not positive numbers.

21
Q

Protractor

A

A tool used to measure and draw angles

22
Q

Product

A

The result of multiplication

5 x 4 = 20.
The product of 5 and 4 is 20.

23
Q

Quotient

A

The result of division

12 ÷ 3 = 4
The quotient is 4.

24
Q

Qualitative Data

A

Data that is expressed in or relating to categories rather than quantities (amounts) or numbers.

For examples, grouping people into favorite flavors of ice cream.

25
Q

Quantitative Data

A

Data expressed in or relating to quantities (amounts) or numbers.

It is numerical such as , the number of hours someone rides a horse, or the number of carrots a horse eats in a week.

26
Q

Remainder

A

The amount left after division.

15 ÷ 2 = 7 R1

27
Q

Square Root

A

One of two equal factors of a number.

A square root of 81 is 9 because 9 x 9 = 81.

The symbol for square root is: √

28
Q

Square

A

The product of a number and itself

The Square of 9 is 81

29
Q

Sum

A

The result of addition

7 + 6 = 13

The sum of 7 and 6 is 13

30
Q

Parallel Lines

A

Lines in the same plane that do not intersect

31
Q

Divisor

A

A number by which another number is divided.

In 12 ÷ 3 = 4, The divisor is 3.

32
Q

Dividend

A

A number that is divided.

in 12 ÷ 3 = 4, the Dividend is 12.

33
Q

Divisible

A

Able to be divided by a whole number without a remainder.

20 ÷ 4 = 5

34
Q

Digit

A

Any of the symbols used to write numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

35
Q

Difference

A

The result of subtraction.

In 12 - 8 = 4, the difference in this problem is 4.

36
Q

Numerator

A

The top term of a fraction.

In 9/10, 9 is the numerator.

37
Q

Probability

A

A way of describing the likelihood of an event; the ratio of favorable outcomes to all possible outcomes.

Example: The probability of rolling a 3 with a standard number cube oi 1/6.

38
Q

Chance

A

A way of expressing the likelihood of an event; the probability of an event expressed as a PERCENTAGE.

Examples:
The CHANCE of snow is 10%. it is not likely to snow.
There is an 80% CHANCE of rain. It is likely to rain.

39
Q

Polygon

A

a closed shape with straight sides.

40
Q

3-sided Polygon

A

Triangle

41
Q

4-sided Polygon

A

Quadrilateral

Both squares and rectangles are Quadrilaterals

42
Q

5-sided Polygon

A

Pentagon

43
Q

6-sided Polygon

A

Hexagon

44
Q

8-sided Polygon

A

Octagon

45
Q

Regular Polygon

A

A polygon where all the sides have the same length and all the angles have the same measure.

A square is an example of a Regular Polygon.

46
Q

Congruent

A

Something that has the same shape and size.

Polygons have the same shape and size are called Congruent.

47
Q

Vertex

A

where to sides of a polygon meet (or intersect). The plural of Vertex is VERTICES.

Note: A polygon has the same number of Vertices as it has sides.

SAXON MATH 7/6 HOMESCHOOL (9 decks)

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