HBS HBS Mathematics 2

Question 1

A shop sells pens for $1.25 each. How much do 8 pens cost?

Accepted Answer

$10.00

Answer

8 × $1.25 = $10.00.

Question 2

What is the highest common factor (HCF) of 36 and 48?

Accepted Answer

12

Answer

Factors of 36: 1,2,3,4,6,9,12,18,36; factors of 48: 1,2,3,4,6,8,12,16,24,48; HCF = 12.

Question 3

A sequence starts: 3, 7, 11, 15, … What is the 8th term?

Accepted Answer

31

Answer

The sequence increases by 4 each time; 8th term = 3 + 4×7 = 31.

Question 4

If 3x − 7 = 14, what is the value of x?

Accepted Answer

7

Answer

3x = 21, so x = 7.

Question 5

A circular pizza has a diameter of 30 cm. What is its radius?

Accepted Answer

15 cm

Answer

Radius = diameter ÷ 2 = 30 ÷ 2 = 15 cm.

HBS - Henrietta Barnett School Practice Test