Equations
Simplify
Geometry
Expand
100
Solve: x - 12 = 8
x = 20
100
Simplify
8y-3y
5y
100
What is the value of the missing length?
8m
100
Expand 3(x + 1)
3x + 1
200
Solve: 3x + 4 = 7
x = 1
200
Simplify
4c+5-3c+2
7c+7
200
What is the area of this triangle?
20
200
Expand the expression: 2(x + 3)
2x + 6
300
Solve: 3x + 3 - 2x = 21
x = 18
300
6x + 2y - 4x - y
2x + y
300
What is the area of the parallelogram?
180
300
Expand
2(3x+2)
6x+4
400
3x - 5 = 10
3x = 15 → x = 5
400
Simplify: -2(3x - 6)
-6x + 12
400
What is the area of the trapezium?
30cm^2
400
Expand
-3(2x-4)
-6x+12
500
Solve: 21 = x - 12
x = 33
500
15 + 3(2x - 1) + 4x
12 + 10x
500
What is the area of this circle?
153.9 cm2
500
Expand 2x(3 + y)
6x + 2xy