Maths

Algebra

100

x+9=15

Find x

6

200

x/5=25

Find x

125

300

5(3x-6)=15

Find x

15

400

(x+2)(x-5)

Simplify

x²-3x-10

500

((x+5)(x−4))/((x−4)(x+2))×((x+2)(x+3))/((x+3)(x−1))

x+5/x-1

Area and perimeter

100

Find the area of a square with 6cm sides

36cm²

200

Find the area of a triangle with a 7cm base and 12cm height

42cm²

300

Find the perimeter of a equilateral triangle with 12cm sides

36cm

400

Find the area of a trapezium with a 10cm height, 8cm base and 6cm top

70cm²

500

Find the area of a circle with a 16cm diameter

64pi

Angles

100

What is a complementary angle

90 degrees

200

How much is a obtuse angle

91-179

300

How much is a reflex angle

181-359 degrees

400

a+30+26 is a complemetary angle. Find a

34 degrees

500

a=b

a+b+13+56 is a supplementary angle

find a

55.5 degrees

Fractions

100

What is 1/2 in decimal

0.5

200

What is 172% in decimal

1.72

300

What is 96/112 simplified

6/7

400

5/7x15/28

3/4

500

2/3 divide 1/5

10/3