Grade 9

Algebra

100

3x + 5x

8x

200

Solve for x

x  + 7 = 15

x=8

300

Simplify 4( x +3)

4x +12

400

Solve for x

3x-5= 16

7

500

Factorise completely

x² - 9

(x-3) (x+3)

Computation

100

18 divided by 3

6

200

5² + 4

29

300

36 x 3 

108

400

2³ x 5 

40

500

48 ÷ (4 x 3)

4

Measurement

100

How many centimeters are in one meter?

100

200

If 1km= 1000meters. Convert 2.5 km to meters. 

2500 meters

300

Find the perimeter of a rectangle with length 8 cm and width 5 cm

26 cm

400

Find the area of a triangle with base  10cm  and height 6cm 

30cm²

500

A rectangular field is 12m long and 7m wide. Find its area. 

84m²

Fractions

100

Reduce 6/12

1/2

200

Solve 3/7 + 2/7

5/7

300

Multiply 2/3  x 3/5 

Give answer in lowest form.

2/5

400

Divide 4/5  ÷  2/3

6/5 or 1 1/5

500

Simplify 3/4 - 1/6

7/12

Worded Problems

100

Sarah buys 3 pens at $200. How much does she spend? 

$600

200

A number multiplied by by 4 gives 28. Find the number. 

7

300

A rope is 20m long. How much remains if 3m is cut off from both ends. 

14m

400

A book cost $1500. How much will a student pay if they are given a 10% discount.

$1350

500

A rectangle has a length of 10cm and a width of x cm. If the perimeter is 30 cm, find the value of x. 

x= 5 cm