Year 9 NAPLAN numeracy practice

What the section covers

Number

Integers, fractions, decimals and percentages, ratio and rate, index notation.

Algebra

Substituting into formulas, solving linear equations, reading and writing expressions.

Measurement

Perimeter, area and volume, units and conversions, time and rates, Pythagoras from Year 9.

Space and geometry

Angles and parallel lines, transformations, coordinates, properties of triangles and quadrilaterals.

Statistics and probability

Mean, median and range, interpreting graphs that mislead, probability of simple and combined events.

Sample questions

8 real questions from our Year 9 papers, covering the different ways this section asks things. Answer the ones you can click; the rest show how they work. Nothing to sign up for.

1. Question 1

   Which expression is not equal to 3k?

   k + k + k4k – kk × k × kk × 3

2. Question 2

   Choose the correct option below.

   Which expression is equivalent to 9a – 3b – a + 4b?

   8a – 7b8a + b9 – 7b9 – b9ab

3. Question 3

   Select the correct answer below.

   Which is equivalent to (2x³)²?

   4x⁵4x⁶64x⁵64x⁶

4. Question 4

   Worked example

   Write your answer ____ .

   If k = -3, what is the value of 12 − 2k²?

   In the test you type the answer into the gap.

   Show the answer

5. Question 5

   Choose the correct answer.

   
   

6. Question 6

   If 2a − b = 7 then b = ? Select the correct option below.

   2a − 72a + 77 − 2a−7 − 2a

7. Question 7

   Choose the correct option below.

   Which expression is equivalent to 3(2x − 1) + 2(5 − x)?

   4x − 134x + 78x − 138x + 7

8. Question 8

   Worked example

   Write your answer ____ .

   How many matchsticks will be needed if there are seven rows?

   

   In the test you type the answer into the gap.

   Show the answer