Year 11 ICAS Mathematics 5-Question Sample

Question 1 of 5 Algebra and patterns

In a school art supply order, an arithmetic sequence starts at 6 with common difference 3. What is the sum of the first 8 terms?

Arithmetic sequence

First term	Common difference	Number of terms
6	3	8

A 48 B 27 C 264 D 132

Question 2 of 5 Algebra and patterns

Geometric sequence

First term	Common ratio	Term wanted
4	3	term 5

A 16 B 972 C 108 D 324

Question 3 of 5 Number and arithmetic

Growth by a constant factor

Starting count	Growth each hour	Hours
6	triples (x3)	2

A 36 B 18 C 54 D 59

Question 4 of 5 Space and geometry

Similar shapes

Side ratio (small:large)	Small shape area
3:5	18 cm^2

A \(30\text{ cm}^2\) B \(450\text{ cm}^2\) C \(34\text{ cm}^2\) D \(50\text{ cm}^2\)

Question 5 of 5 Space and geometry

A 7 units B 1 units C 5 units D 6 units