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Maths Flashcards

1
Q

What is the Circumference of a circle?

A

The length around the outside of circle.

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2
Q

What is the radius of a circle?

A

The length from the Centre to the circumference.

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3
Q

What is the diameter of a circle?

A

The length that cuts the circle in half.

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4
Q

What is the Tangent of a circle?

A

The line that just touches one point on the circumference.

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5
Q

What is the Cord of a circle?

A

Cuts from one side to the other.

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6
Q

What is the segment of a circle?

A

Slice made by a chord.

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7
Q

How do you find the area of a square? (formula)

A

s2

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8
Q

How do you find the area of a triangle? (formula)

A

bh/2

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9
Q

How do you find the area of a rectangle? (formula)

A

bh

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10
Q

How do you find the area of a Parallelogram? (formula)

A

bh

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11
Q

How do you find the area of a trapezium? (formula)

A

1/2 x (a + b)

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12
Q

How do you find the area of a kite and rhombus? (formula)

A 
A = 1/2 x d1 x d2
d = diagonal
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13
Q

How do you find the circumference of a circle? (formula)

A 
Circumference = pi x diameter
C = π x d
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14
Q

How do you find the area of a circle? (formula)

A

π x r2

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15
Q

How do you find a half or quarter of a circles area? (formula)

A

1/4 or 1/2 x π x r2

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16
Q

Ml —> Kl –> L –> ML
right = divide by 1k
left = times by 1k

A

Ml —> Kl –> L –> ML
right = divide by 1k
left = times by 1k

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17
Q

How do you find the volume of a rectangular prism? (formula)

A

H x W x L

height x width x length

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18
Q

What is the difference between volume and capacity?

A

Volume measures units in cm3 and capacity measures units in ML/L

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19
Q

How do you find the volume of a prism? (formula)

A

V = A x H

area x height

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20
Q

How do you find the volume of a cylinder? (formula)

A

V = π x r2 x h

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21
Q

What rate does 1/2 convert to?

A

1:2

22
Q

What rate does 3/6 convert to?

A

3:6

23
Q

How do you simplify ratios?

A

5:20 5cm/20cm = 1:4

24
Q

Do ratios have units? (Yes or No)

A

NO!!!!!!!!!!!

25
Q

What are the 3 steps to simplifying a ratio?

A
  • change to fraction
  • simplify
  • then change back to ratio
26
Q

When the bigger number is first on a ratio, how do you simplify it?

A

There is only one step just dividing it by a divisible fraction and simplify like normal. No need to change anything.

27
Q

Simplify 60 students to 5 teachers?

A

12 students/1 teacher

28
Q

How do you calculate the speed of something?

A

Speed = distance/time

29
Q

How do you calculate the distance something traveled?

A

Distance = speed x time

30
Q

How do you calculate the time it took something to get place to place?

A

Time = distance/speed

31
Q

On a travel graph time is?

A

Horizontal

32
Q

On a travel graph distance is?

A

Vertical

33
Q

What is categorical data?

A

Not numerical.

34
Q

What is numerical discrete data?

A

Think whole

35
Q

What is numerical continuous data?

A

Think fluid/measurement

36
Q

What is a primary scourse?

A

first hand source.

37
Q

What is a secondary source?

A

already collected, published and possibly summarized.

38
Q

What is an outlier?

A

The data separate from the cluster?

39
Q

What is a cluster?

A

it is the main/big group of data on a graph

40
Q

What is a gap?

A

it is the space between the outlier and cluster.

41
Q

What is the peak?

A

It is the highest point on a graph.

42
Q

What is the medium?

A

the middle number from ascending and descending order.

43
Q

What is the mode?

A

It is the most frequent number that occurs.

44
Q

What is the range?

A

It is from the smallest number and the highest number

45
Q

What does IQR stand for?

A

inter quartile range.

46
Q

How do you find the IQR?

A

To find the interquartile range (IQR), ​first find the median of the lower and upper half of the data. These values are quartile 1 (Q1) and quartile 3 (Q3). The IQR is the difference between Q3 and Q1.

47
Q

The what Plane?

A

Cartesian plane

48
Q

The middle of the Cartesian plane is called the?

A

Origin

49
Q

Axes is plural for?

A

Axis

50
Q

Where on the plane is the Y?

A

top

51
Q

where on the plane is the X?

A

right

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