Basic Arithmetic
23-5
18
A rectangle has length 3 and width 2. What is the perimeter?
10
(52-25)/9
3
x-1=3
Find x
x=4
y=x
What is the gradient?
1
45-23
22
A triangle has height 3 and base length 4. Find the area
6
46
Find x
x=3
y=2x+3
What is the y-intercept?
3
54
A circle has radius 1. Find the perimeter
56-33/3
45
5x-3=22
find x
x=5
y=x+1
Find the co-ordinates of where the line meets the y-axis
(0,1)
12x15
180
A circle has diameter 1. Find the area.
pi/4
18.2-13.5x10
-116.8
23-2x=-1
Find x
x=12
y=x+1
Find the coordinates of where the line meets the x-axis
(-1,0)
93/3
31
A cube has side length 3. Find the total surface area.
54
(((3+5)^2)-(3+5^2))/6
6
3+2x=-1
Find x
x=-2
y=2x+3
y=3x+5
Find where the two lines meet.
Hint: 2x+3=3x+5
(-2,-1)