Definition flashcards for maths

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Indirect Proportion
As one quantity increases, the other decreases . e.g. Speed and Time. The faster you travel, the less time the journey takes. The formula for indirect proportion is y = k/x. K is the constant of proportionality. This can also be written as xy=k
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Mode
Most common
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Median
Middle value when written in order. If there are two middle values e.g. 3 and 7 add together and divide by 2 to find the median
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Mean
Add all values together, then divide by the total number of values
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Range
Difference between the largest and the smallest numbers
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Discrete Data
Has definite values with no inbetweens. It could be a number or category e.g. hair colour,number of pets.
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Continuous Data
Has infinite values. Usually needs to be measured, e.g. time taken to get to school or height.
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Bisect
Cut exactly in half.
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Perpendicular Bisector
At 90°
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Other cards in this set

Card 2

Front

Most common

Back

Mode

Card 3

Front

Middle value when written in order. If there are two middle values e.g. 3 and 7 add together and divide by 2 to find the median

Back

Preview of the back of card 3

Card 4

Front

Add all values together, then divide by the total number of values

Back

Preview of the back of card 4

Card 5

Front

Difference between the largest and the smallest numbers

Back

Preview of the back of card 5
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