WACE Year 12 General Mathematics Practice Questions

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WACE Year 12 General Mathematics practice questions

Use Skill Align for WACE Year 12 General Mathematics practice questions and exercise questions after the relevant topic has been taught. Students can start with the pathway demo, then practise by topic and mode.

21 practice skills

WACE Year 12 General Mathematics includes 21 practice skills across Data and statistics, Networks, matrices and modelling, Financial mathematics, and Measurement and applications.

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Australian Years 7-12 Exercise and test mode Parent-managed access

What is a practice skill?

A practice skill is a focused topic or question type designed to help students practise one curriculum-aligned concept with instant feedback and explanations. Skill Align uses practice skills to organise questions by year level, subject, strand, and curriculum focus.

Sample WACE Year 12 General Mathematics questions

These sample questions are visible on the page before login. They show WACE Year 12 General Mathematics data, finance, matrices, networks, trigonometry, and decision-mathematics explanations before opening the demo.

WACE Year 12 General Mathematics Time series hard forecast graph

1. A trend model predicts 146 bookings for a quarter. The seasonal index for that quarter is 1.08. What is the seasonal forecast, to the nearest whole booking?

Choices

Explanation:

Apply the seasonal index to the trend value: 146 x 1.08 = 157.68, which rounds to 158 bookings.

WACE Year 12 General Mathematics Loans and investments hard finance graph

2. A loan balance follows Bₙ₊₁ = 1.005Bₙ - 520 with B₀ = 18000. What is B₂, to the nearest cent?

Choices

$17,137.85
$17,570.00
$18,090.00
$16,960.00

Explanation:

B₁ = 1.005 x 18000 - 520 = 17570. Then B₂ = 1.005 x 17570 - 520 = 17137.85.

WACE Year 12 General Mathematics Critical path analysis hard critical path diagram

3. A project has three possible branches before final task F: A-C-F takes 4 + 6 + 3 days, B-D-F takes 5 + 7 + 3 days, and B-E-F takes 5 + 4 + 3 days. What is the minimum completion time?

Choices

15 days
13 days
12 days
40 days

Explanation:

The branch totals are 13, 15, and 12 days. The project duration is controlled by the longest required branch, so the minimum completion time is 15 days.

WACE Year 12 General Mathematics Matrices hard transition diagram

4. A row state vector [city, regional] = [480, 320] is multiplied by transition matrix [0.76, 0.24; 0.35, 0.65]. How many customers are expected to be in the city state next period, to the nearest whole customer?

Choices

Explanation:

Use the city column: 480 x 0.76 + 320 x 0.35 = 364.8 + 112 = 476.8, which rounds to 477.

WACE Year 12 General Mathematics Expected value hard weighted score chart

5. A promotion gives a $120 prize with probability 0.18, a $40 prize with probability 0.35, and no prize otherwise. Entry costs $25. What is the expected net gain per entry?

Choices

$10.60
$35.60
$25.00
-$10.60

Explanation:

Expected winnings are 120 x 0.18 + 40 x 0.35 = 21.60 + 14.00 = $35.60. Subtract the $25 entry cost to get an expected net gain of $10.60.

WACE Year 12 General Mathematics Bivariate data hard regression graph

6. A regression model predicts demand with y = 52 + 1.8x. For x = 14, actual demand is 81. What is the residual, using actual - predicted?

Choices

3.8
-3.8
77.2
81

Explanation:

The predicted value is 52 + 1.8 x 14 = 77.2. The residual is 81 - 77.2 = 3.8.

For parents comparing WACE Year 12 General Mathematics support

WACE Year 12 General Mathematics practice should make data, finance, matrices, networks, trigonometry, and decision-mathematics feel structured rather than guessable. These examples preview that style before the no-login General Mathematics demo.

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What this practice and exercise page covers

General Mathematics practice sits inside WACE Mathematics Year 12 coverage for number, algebra, calculus, statistics, probability, networks, finance, trigonometry, and modelling, with Skill Align keeping the route focused on the selected maths pathway.

Senior practice is organised by pathway, unit, topic, and mode so students can revise targeted areas rather than sitting a full-paper workflow every time. Skill Align treats practice questions and exercise questions as the same learning workflow: students answer curriculum-aligned questions, review explanations, and move between exercise mode and test mode.

Start with the public sample questions to check the question style, then use the curriculum coverage page to choose a topic that matches the student's current classwork.

Preview question styles

Data and statistics: Students practise data and statistics through short targeted questions, explanations, and mode-specific feedback.
Networks, matrices and modelling: Students practise networks, matrices and modelling through short targeted questions, explanations, and mode-specific feedback.
Financial mathematics: Students practise financial mathematics through short targeted questions, explanations, and mode-specific feedback.

Suggested first practice steps

Preview the public sample practice and exercise questions before creating a saved student session.
Choose one focus area that has already been introduced at school.
Use exercise mode for immediate explanations, then test mode when the student is ready for delayed feedback.

Example focus areas

View full curriculum coverage

These examples are not the full topic list. Use the curriculum coverage page for the complete mapped pathway.

Data and statistics
Networks, matrices and modelling
Financial mathematics
Measurement and applications

Who it is for

Western Australian students studying General Mathematics.

Common search wording

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No. Skill Align is designed for structured practice after students have learned topics at school or with a teacher.

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Yes. Families may search for either wording; Skill Align uses one curriculum-aligned practice page for both practice questions and exercise questions.

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