NAPLAN NAPLAN Numeracy Year 9 Practice

Question 1

A rectangular swimming pool is 25 m long and 10 m wide. What is the perimeter of the pool?

Accepted Answer

70 m

Answer

35 m

Answer

50 m

Answer

250 m

Question 2

A store sells a jacket for $180. During a sale, the price is reduced by 25%. What is the sale price?

Accepted Answer

$135

Answer

$45

Answer

$145

Answer

$155

Question 3

The table shows students who chose each sport:
Cricket: 12, Football: 18, Netball: 15, Swimming: 9, Tennis: 6.
What percentage of students chose Football?

Accepted Answer

30%

Answer

25%

Answer

35%

Answer

40%

Question 4

Solve for x: 3x + 7 = 22

Accepted Answer

x = 5

Answer

x = 3

Answer

x = 4

Answer

x = 6

Question 5

The mean of five test scores is 72. Four of the scores are 65, 78, 80 and 69. What is the fifth score?

Accepted Answer

68

Answer

70

Answer

72

Answer

74

Question 6

A cylinder has a radius of 4 cm and a height of 10 cm. What is its volume? (Use π ≈ 3.14)

Accepted Answer

502.4 cm³

Answer

125.6 cm³

Answer

251.2 cm³

Answer

1256 cm³

Question 7

A map uses a scale of 1 : 50 000. On the map, two towns are 6 cm apart. What is the actual distance in kilometres?

Accepted Answer

3 km

Answer

6 km

Answer

30 km

Answer

300 km