Algebra
What are the fundamental operations in algebra?
Addition, Subtraction, Multiplication, Division
Formula for finding the circumference?
C = 2*Pi*r
What is the formula for finding the area of a right triangle?
h * b * ½
I ordred something new! 2 hats, 3 shirts and 4 pants, how many different outfits can I make?
24
What is pythagoras' theorem?
a2+b2=c2
Simple equations, find the angle of the common angle in a triangle:
A = (x+30)
B = (x-30)
C = 90
x = 45
A = 75
B = 15
C = 90
Angle sum in a quadrilateral?
360
What is 1km in cm?
100.000 centimeters
What does P(A') mean?
The probability of not getting A
There are 3 basic trigonometric ratios. I need one of them, but which one?
I have the length of the opposite side and the length of the adjacent.
Tangent
Expanding bracket, expand the following :
-7(2m-3n)
-14m + 21n
What is a reflex angle?
An angle between 180-360
Three dimensional object which has a constant cross-sectional area
What is the formula you use, when working with a pie chart?
frequency/total * 360 = A slice of pie
In a triangle, I have the opposite and the angle, how do I find the hypotenuse?
Rearrange Sin(a) = O/H -> H = O/Sin(a)
Simple factorising, factorise the following fully:
6x + 2x2
2x(3+x)
Who am I?
I have two pair of equal sides
One pair of equal angles
Diagonals intersect at right angles
Kite
Formula for finding the volume of a cube?
We're both diagrams, but with different names. You could say we're both inspired by the plants. You can use one of us in probability and the other in statistics. What are we called?
Stem and leaf diagram
Tree diagram
What is a bearing?
A bearing is the angle in degrees measured clockwise from north.
Can you describe the difference between expressions and equations?
An equation means that two different expressions are connected to each other by an equal to sign in between, For example, 3x - 2 = 5 + x is an equation.
3x - 2 is an expression.
Name the regular polygon with 12 sides
Dodecagon
This formula is used to find volume of what?
4/3 * pi * r2
Sphere
What is a frequency histogram?
It has a title, an x-axis, a y-axis, and vertical bars to visually represent the data.
Søljediagram
What is an obtuse?
An angle that is greater than 90 degrees