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Math concepts sixth grade > Math > Flashcards

Math Flashcards

1
Q

What is a polygon?

A

a 2D closed shape with straight sides.

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2
Q

What is a parallelogram?

A

quadrilateral with four right angles

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3
Q

What is a quadrilateral?

A

A polygon with exactly four sides

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4
Q

What is a rhombus

A

A quadrilateral with four sides of equal length

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5
Q

What is a trapezoid

A

A quadrilateral with exactly one pair of parallel sides

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6
Q

What is a trapezium

A

A quadrilateral with no parallel sides

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7
Q

radius

A

the distance from a point on a circle to the center of the circle

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8
Q

chord

A

a line segment connecting two points on a curve (can be diameter)

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9
Q

circumference

A

the distance around a circle

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10
Q

diameter

A

the distance across a circle through the center

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11
Q

Formula for area of a circle

A

A=πr²

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12
Q

formula for circumference of a circle

A

C=πd or C=2πr

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13
Q

Area of a trapezoid

A

A= 1/2 (base 1 + base 2) h

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14
Q

Formula for area of rectangle

A

A=bh

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15
Q

How do you find perimeter of 2D shape

A

add all sides together

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16
Q

Prime number

A

Whole number that has exactly two factors (1 and itself)

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17
Q

Composite number

A

whole number that has more than two factors

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18
Q

Formula for area of triangle

A

A= 1/2bh

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19
Q

What is the order of Operations?

A

PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

20
Q

1³

A

1

21
Q

2³

A

8

22
Q

3³

A

27

23
Q

4³

A

64

24
Q

5³

A

125

25
Q

6³

A

216

26
Q

7³

A

343

27
Q

8³

A

512

28
Q

9³

A

729

29
Q

10³

A

1000

30
Q

13²

A

169

31
Q

14²

A

196

32
Q

15²

A

225

33
Q

What is a transformation:
rotation
reflection
translation

A

rotation: turn
reflection: flip
translation: slide

34
Q

How many sides does a heptagon have

A

7

35
Q

how many sides does a hexagon have

A

6

36
Q

how many sides does a octagon have

A

8

37
Q

how many sides does a nonagon have

A

9

38
Q

how many sides does a decagon have

A

10

39
Q

how many sides does a hendecagon have

A

11

40
Q

how many sides does a dodecagon have

A

12

41
Q

complementary angles are two angles whose sum is_____

A

90°

42
Q

supplementary angles are tow angles whose sum is ____

A

180°

43
Q

adjacent angles are angles that have the same ______ and a _____ ______

A

vertex and common side effects

44
Q

The sum of the interior angle measure of a triangle is ____

A

180°

45
Q

The sum of the interior angle measure of a quadrilateral is ___

A

360°

46
Q

What are all prime numbers under 20

A

2, 3, 5, 7,11,13,17,19

Math concepts sixth grade (2 decks)

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