Optimization (linear programming)
Turning a word problem into inequalities, drawing the polygon of constraints and finding the most profitable solution. Most errors come from a missing or reversed constraint.
Secondary 5 · CST sequence
Secondary 5 CST math: useful math for making decisions.
Optimizing a budget, comparing voting systems, planning a route: CST 5 turns math into a decision tool. We help your teen finish high school with a result that opens the programs they are aiming for.
Price$45 / hour
- First class free, no contract
- The same tutor every week
A Secondary 5 unlike the other years
Secondary 5 CST often surprises students: there is less pure algebra and much more reasoning about situations. Students must read a long problem, spot the constraints, choose a method and defend a decision. A student who is strong at computation can feel lost, and one who struggled with algebra can shine.
There is no ministry exam in Secondary 5 math: exams come from the school. The course is not required for the DES (Secondary 4 math is), but several CEGEP programs ask for it, so a good result matters.
What we cover
The main themes of CST 5
Voting procedures
Majority, plurality, ranked ballots, Borda count, Condorcet: the same election can produce different winners. Each method has to be followed carefully.
Graph theory
Euler and Hamilton paths and circuits, trees, shortest path, colouring. Students grasp the idea quickly but forget to justify their answer.
Probability
Conditional probability, expected value, fairness of a game, odds for and against. Precise vocabulary often makes the difference.
Financial math
Simple and compound interest, present and future value, comparing savings or loans. Exponents come back in force here.
Equivalent figures
Comparing shapes or solids with the same area or volume to optimize a form, such as packaging.
What comes next
Which CEGEP programs ask for CST 5?
Some CEGEP programs ask for Secondary 5 math: for example, at Cégep de Sainte-Foy, Computer Science Technology accepts CST 5 (or Secondary 4 TS or SN). Some Social Science profiles with math ask instead for Secondary 5 TS or SN. Prerequisites vary from one CEGEP to another, so always check the program's admission page. Science (Sciences de la nature) still requires TS or SN 5.
Our article CST, TS or SN: which math sequence gives verified examples, and our guide to the high school to CEGEP transition helps plan what comes next.
- Linear programming
- Graphs
- Voting
- Finance
Our approach
How we work on CST 5
We start with the Secondary 4 tools CST 5 relies on: inequalities, lines and exponents. Then each class follows the school's chapter, with plenty of written situations, so students learn to structure their answer the way an exam expects. Before exams, the final exam grade calculator helps set a realistic target. If Secondary 4 foundations are missing, see our Secondary 4 CST math page.
How it works
Getting started is simple
- 1
Pick a time
Choose the subject and a free time slot. We assign a qualified tutor.
- 2
Free first class
The tutor assesses the level and finds what is blocking.
- 3
Follow the progress
After every class, a short report arrives by email and in your parent space.
Questions
Frequently asked questions
Questions? Call or write to us:
Other math courses
Is CST 5 required for the diploma?
No. The DES requires a pass in Secondary 4 math. CST 5 is, however, asked for by some CEGEP programs, and a good result keeps more options open.
Can my child go into Social Science with CST 5?
Yes for profiles without math. For profiles with math, some CEGEPs require Secondary 5 TS or SN. Check the admission page of the CEGEP your teen is aiming for.
Can my child change sequence during the CST 5 year?
It is rare in Secondary 5 and depends on the school. If a prerequisite is missing at the end of high school, upgrading courses exist at CEGEP or in adult education, but they lengthen the path.
Is there a ministry exam in CST 5?
No. Secondary 5 math exams are prepared by the school or the school service centre.
How much do classes cost?
$45 an hour for high school, first class free, no contract. Packages of 8 and 12 classes give 5 % and 10 % off.