Level 2 Maths Terminology Flashcards
How many millimetres in a centimetre?
10mm
How many centimetres in a metre?
100cm
How many metres in a kilometre?
1000m
How many grams in a kilogram?
1000g
How many millilitres in a litre?
1000mm
What is the formula for working out the circumference of a circle?
C = πd
What is the formula to work out the area of a circle?
A = πr²
What is the formula for working out Volume of a cylinder?
V = πr²h
The angles in a triangle add up to…
180°
The angles in a quadrilateral add up to…
360°
Angle on a straight line equals…
180°
Mode is…
The most commonly occurring number(s)
How do we work out median?
Put numbers in order from smallest to largest and then find the middle number.
To work out mean, we…
add all the numbers up and then divide that by the amount of numbers we have.
How do we work out range?
Find the difference between the biggest and smallest numbers.
Opposite angles are always…
equal.
What is “plan view?”
The view looking down from above.
What is the “front elevation?”
View from the front.
What is “side elevation?”
The view from the side.
How do we calculate the area of a rectangle or square?
A = length x width
How do we calculate perimeter?
Add up the measurements of all the sides
How do we calculate volume of a cuboid?
V = length x width x height
What does “percentage” mean?
“out of 100”
If we work out the area of a wall in metres, what units do we need to show our answer in?
m² (metres squared)
If we work out the volume of a room in metres, what units do we need to show our answer in?
m³ (metres cubed)
What is the first thing we need to find out when working with ratio?
The value of 1 part
How do we calculate area of a triangle?
A = (height x base) ÷ 2
What acronym do we follow when calculating formulae?
BIDMAS
What does the I in BIDMAS stand for?
Indices (squared/cubed etc)
What does the B in BIDMAS stand for?
Brackets
What maths symbol do we not use in formulae?
Multiply ( x )
Calculate 7²
49
The calculation for 4³ is…
4 x 4 x 4 =64
What is the square root ( √ ) of 81?
9
What is the formula for compound interest?
A=P(1+ i/100) to the power of “n”
Where:
A= Answer
P = Principle Investment
i = Interest rate
n = number of years
