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4th Grade Academic Vocabulary > Math Vocabulary > Flashcards

Math Vocabulary Flashcards

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1
Q

Remainder

A

The amount left over when one number is divided by another.

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2
Q

Sum

A

The answer to an addition problem.

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3
Q

Difference

A

The answer to a subtraction problem.

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4
Q

Quotient

A

The answer to a division problem.

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5
Q

Product

A

The answer to a multiplication problem.

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6
Q

Equation

A

A mathematical sentence that contains an equal sign.

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7
Q

Times

A

Multiplication

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8
Q

Times as many

A

Multiply as many times

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9
Q

Whole Number

A

Any positive number that does not include a fractional or decimal part.

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10
Q

Prime Number

A

A whole number that has exactly two factors, 1 and itself.

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11
Q

Composite Number

A

A number with more than two factors.

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12
Q

Factor

A

A number that is multiplied by another number to find a product.

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13
Q

Factor Pair

A

Two whole numbers that are multiplied to get a product.

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14
Q

Multiple

A

The product of a whole number and any other whole number.

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15
Q

Pattern

A

Things that repeat in a logical way. Example: 1 3 2 1 3 2

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16
Q

Nearest Ten

A

When rounding you look at the ones place to let you know where to round this place value.

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17
Q

Nearest Hundred

A

When rounding you look at the tens place to let you know where to round this place value.

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18
Q

Nearest Thousand

A

When rounding you look at the hundreds place to let you know where to round this place value.

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19
Q

Nearest Ten Thousand

A

When rounding you look at the thousands place to let you know where to round this place value.

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20
Q

Nearest Hundred Thousand

A

When rounding you look at the ten thousands place to let you know where to round this place value.

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21
Q

Ones

A

The numbers in the range of 0-9. It is the place value of a number.

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22
Q

Tens

A

The second digit in a whole number.

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23
Q

Hundred

A

The third digit in a whole number.

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24
Q

Thousand

A

The fourth digit in a whole number

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25
Q

Ten Thousand

A

The fifth digit in a whole number.

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26
Q

Hundred Thousand

A

The sixth digit in a whole number.

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27
Q

Million

A

The seventh digit in a whole number

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28
Q

Expression

A

A mathematical phrase that does not contain an equal sign.

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29
Q

Equal

A

Having the same value.

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30
Q

Partial Product

A

A method of multiplying in which the ones, tens, hundreds, and so on are multiplied separately and then the products are added together.

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31
Q

Partial Quotient

A

A method of dividing in which multiples of the divisor are subtracted from the dividend and then the quotients are added togehter

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32
Q

Fraction

A

Part of a whole.

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33
Q

Equivalent

A

Equal in value or amount

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34
Q

Divide

A

Splitting a number into equal parts.

35
Q

Equal to

A

Having the same value.

36
Q

Greater Than

A

Used to compare two numbers when the first number is larger than the second number.

37
Q

Less Than

A

Used to compare two numbers when the first number is smaller than the second number.

38
Q

Digits

A

A digit is any one of these symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Numbers can have one or more digits.

39
Q

Numerator

A

The top number in a fraction that represents the parts out of the whole.

40
Q

Denominator

A

The bottom number in a fraction. The number of equal parts that make one whole unit.

41
Q

Model

A

A visual representation.

42
Q

Decimal

A

A number with one or more digits to the right of the decimal point.

43
Q

Kilometer (km)

A

Unit of measurement in the metric system; 1000 meters

44
Q

Meter (m)

A

unit of measurement in the metric system; 100 centimeters

45
Q

Centimeter (cm)

A

unit of measurement in the metric system; one-hundredth of a meter

46
Q

Kilogram (kg)

A

A metric unit of mass equal to 1000 grams.

47
Q

Gram (g)

A

The standard unit of mass in the metric system. 1,000 grams = 1 kilogram

48
Q

Liter (L)

A

The basic unit of capacity in the metric system.
1 liter = 1,000 milliliters.

49
Q

Milliliters (mL)

A

The unit used to measure the volume of a liquid

50
Q

Length

A

Distance between two points

51
Q

Mass

A

The amount of matter in an object.

52
Q

Volume

A

The amount of space an object takes up

53
Q

Number Line

A

a line on which numbers are marked at intervals

54
Q

Interval

A

The distance between two numbers on the scale of a graph

55
Q

Unit Fraction

A

a fraction with a numerator of 1

56
Q

Protractor

A

A tool used to measure and draw angles.

57
Q

Angle

A

A figure formed by two rays with a common endpoint

58
Q

Area

A

The number of square units required to cover a surface.

59
Q

Perimeter

A

The distance around a figure

60
Q

Square Unit

A

A unit for measuring area

61
Q

Line Plot

A

a graph that shows the frequency of data along a number line

62
Q

Data Set

A

a collection of measurements or observations

63
Q

Ray

A

a part of a line that starts at an endpoint and extends forever in one direction

64
Q

Intersect

A

To cross

65
Q

one-degree angle

A

An angle with a measure of 1 degree; 360 degrees = full circle

66
Q

Vertex

A

A point where two or more line segments meet. (A corner)

67
Q

Point

A

a point is a location represented by a dot

68
Q

Line

A

a straight figure that extends endlessly in both directions

69
Q

Line Segment

A

part of a line with two endpoints

70
Q

Parallel Lines

A

lines that never intersect

71
Q

Perpendicular Lines

A

Two lines that intersect to form right angles

72
Q

Right Angle

A

90 degrees

73
Q

Obtuse Angle

A

An angle between 90 and 180 degrees

74
Q

Acute Angle

A

an angle that measures less than 90 degrees

75
Q

Sides

A

Shapes are made of line segments. These line segments are called sides.

76
Q

Polygon

A

A closed plane figure made up of line segments

77
Q

Triangle

A

A polygon with three sides.

78
Q

Quadrilater

A

a polygon with four sides

79
Q

Pentagon

A

a polygon with 5 sides

80
Q

Hexagon

A

a polygon with 6 sides

81
Q

Octogon

A

a polygon with 8 sides

82
Q

Right Triangle

A

A triangle that has a 90 degree angle.

83
Q

Line of Symmetry

A

A line that divides a figure into two congruent halves that are mirror images of each other.

4th Grade Academic Vocabulary (2 decks)

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