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Grade 4 > Math OAA Vocabulary > Flashcards

Math OAA Vocabulary Flashcards

1
Q

Congruent

A

Same shape and same size

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2
Q

Perpendicular Lines

A

2 lines that cross each other to make 4 right angles

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3
Q

Intersecting Lines

A

2 lines that cross each other in a way that does not create any right angles

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4
Q

Plane

A

A flat surface that extends in all directions

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5
Q

Angle

A

2 rays that connect at one point (vertex)

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6
Q

Vertex (vertices)

A

A point where 2 lines or sides meet

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7
Q

Plane

A

A flat surface that extends in all directions

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8
Q

Polygon

A

A 3-or more sided shape

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9
Q

Isosceles Triangle

A

2 equal sides

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10
Q

Scalene Triangle

A

No equal sides

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11
Q

Quadrilateral

A

Any 4-sided shape

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12
Q

Parallelogram

A

A polygon with 2 pairs of parallel sides

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13
Q

Maximum

A

The largest number

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14
Q

Minimum

A

The smallest number

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15
Q

Range

A

Maximum - Minimum

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16
Q

Mode

A

The number that appears the most often

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17
Q

Median

A

The number that appears in the middle after all of the numbers are put in order least to greatest

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18
Q

Line Plot

A

Uses Xs to represent data

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19
Q

Line Graph

A

Uses a line to show data over a period of time

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20
Q

Associative property of multiplication

A

3 numbers that can be multiplied in any order without changing the product or answer

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21
Q

Distributive property of multiplication

A

Uses both multiplication and addition in the equation

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22
Q

Prime number

A

A number that only has 1 and itself as factors

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23
Q

Composite number

A

A number that has more than 2 factors

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24
Q

Factors

A

Numbers you multiply to get an answer. “Math facts”

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25
Q

Multiples

A

Skip counting

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26
Q

>

A

Greater Than

27
Q
A

Less Than

28
Q

Quotient

A

The answer to a division problem

29
Q

Product

A

The answer to a multiplication problem

30
Q

Sum

A

The answer to an addition problem

31
Q

Difference

A

The answer to a subtraction problem

32
Q

Denominator

A

The bottom of a fraction. “The whole”

33
Q

Numerator

A

The top of a fraction. “The part”

34
Q

Equivalent

A

Equal

35
Q

Perimeter

A

The distance around an object

36
Q

Area & how it’s measured

A

The amount of surface inside a closed boundary. Area is measured in square units.

37
Q

Volume & how it’s measured

A

The capacity inside a 3-dimensional object. Area is measured in cubic units.

38
Q

Metric units of weight

A

Gram and Kilogram

39
Q

Metric units of capacity

A

Millileter and Liter

40
Q

Customary units of weight

A

Ounce, pound, and ton

41
Q

Customary units of capacity

A

Cups, pints, quarts, and gallon

42
Q

Parallel Lines

A

Lines that never cross

43
Q

Number Pattern

A

A list of numbers that follow a certain rule

44
Q

Estimate

A

An answer that should be close to an exact answer.

45
Q

Rotation

A

A movement of a figure around a fixed point.

46
Q

Reflection

A

The “flipping” of a figure over a line so that its image is the mirror image of the orignal figure.

47
Q

Translation

A

“Slide” when an object moves along a straight line.

48
Q

Prediction

A

A reasonable guess on what may happen.

49
Q

Pentagon

A

A polygon with five sides

50
Q

Vertices

A

The point where the sides of an angle, polygon, or polyhedron meet.

51
Q

Probability

A

The chance that an event will happen.

52
Q

Right Angle

A

A 90 degree angle

53
Q

Certain

A

An event will happen.

54
Q

Equally likely

A

50-50 chance of happening.

55
Q

Less likely

A

Not a good chance it will happen.

56
Q

More likely

A

A good chance it will happen.

57
Q

Equilateral Triangle

A

All Equal sides

58
Q

Circle/Pie Graph

A

A graph shaped like a circle that is divided into parts. The whole circle represents the whole set of data.

59
Q

Venn Diagram

A

A picture that uses circles or rings to show relationships between sets. Where they intersect is what they have in common.

60
Q

Units

A

A label used to put a number in context. Examples: inch & centimeter

61
Q

Equation

A

A number sentence that contains an equal sign.

62
Q

Solid figure

A

A 3-D figure

63
Q

Edge

A

A line segment or curve where two surfaces meet

64
Q

Face

A

A flat surface on a 3-D shape

Grade 4 (4 decks)

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