Don't forget Flashcards
Ascending order
Lowest to biggest
Descending order
Biggest to lowest
Range
Biggest subtract smallest
E.g 20 - 2
Mode
Most common number
E.g 1,2,3,3,4. Mode is 3
Median
Middle number
E.g 1,2,4,5,7,8,9. median is 5
Mean
All the numbers shown added together and then divided by the amount of numbers shown.
E.g 1,6,7,8,9 = 1+6+7+8+9 = 31 ÷ 5 (numbers shown) = 6.2
What’s another name for mode
Modal
Reciprocal
A reciprocal is 1 divided by the number for example the reciprocal of two is simply 1/2
How do you find the median if there are 6 digits
E.g. 3, 7, 1, 5, 4, 2.
If you put them in ascending order.
P then you add the both remaining median numbers and divide them by 2 in this case the middle number is 3 and 4 so we add them to gather and by dividing them by 2 we turn them into 3.5
N means
Number of sides
What’s a decimal multiplier
A percentage turned into a decimal
Distance
Speed × time
Speed
Distance ÷ time
Time
Distance ÷ speed