Secondary 1 Math Ratios, Rates and Proportions — Unit Notes
Every definition and theorem this unit expects you to know, stated once each and written to be revised from: 5 definitions and 3 theorems, 4 worked examples, in 5 printable pages. This page lists what the notes cover. The notes themselves come with the Secondary 1 Math bundle.
Unit notes — in the bundle
Not sold separately. The practice worksheet for this unit is free, with no email and no account.
Ratios, Rates and Proportions — what the notes cover
4 sections, in the order the unit is taught. Each entry below is the title of a definition or a theorem the notes state in full.
Ratios and rates
- Definition — Ratio and rate
- Definition — Unit rate
Also in this section: 1 worked example, 2 notes on method and common errors.
Proportions
- Definition — Proportion
- Theorem — Solving a proportion
Also in this section: 1 worked example, 1 note on method and common errors.
Direct and inverse proportionality
- Definition — The two kinds
- Theorem — Recognising which
Also in this section: 1 worked example, 2 notes on method and common errors.
Percentages
- Definition — Percentage
- Theorem — The three percentage questions
Also in this section: 1 worked example, 1 note on method and common errors.
Where the notes are
The notes are one of the documents in the Secondary 1 Math Solutions Bundle, beside the unit test, the challenge problems and every worked answer key. The Ratios, Rates and Proportions practice worksheet is free and stays free.
Every Secondary 1 Math topic — the complete Solutions Bundle
One download, one payment, the whole program. For all 15 Secondary 1 Math units: the worksheet, the reference notes, the challenge set, the unit test and every answer key — these notes included.
- Worked solutions, not answer lists — every step written out
- Covers the whole year's program at this level
- Less than the price of one hour of tutoring — for the entire year's solutions
Practise it, then test yourself
Notes on their own do not make anything stick. This unit has a free, printable practice worksheet, and an end-of-unit test that comes with the bundle.
Ratios, Rates and Proportions practice worksheet About the Ratios, Rates and Proportions unit test