Secondary 3 Math Real Numbers and Number Sets — Unit Notes
Every definition and theorem this unit expects you to know, stated once each and written to be revised from: 3 definitions and 2 theorems, 4 worked examples, in 4 printable pages. This page lists what the notes cover. The notes themselves come with the Secondary 3 Math bundle.
Unit notes — in the bundle
Not sold separately. The practice worksheet for this unit is free, with no email and no account.
Real Numbers and Number Sets — 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.
The number sets
- Definition — The four sets, and how they nest
- Definition — Irrational number
Also in this section: 1 worked example, 2 notes on method and common errors.
Absolute value
- Definition — Absolute value
Also in this section: 1 worked example, 1 note on method and common errors.
Ordering real numbers
- Theorem — Comparing on the number line
Also in this section: 1 worked example, 1 note on method and common errors.
Writing and rewriting numbers
- Theorem — A repeating decimal is rational
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 3 Math Solutions Bundle, beside the unit test, the challenge problems and every worked answer key. The Real Numbers and Number Sets practice worksheet is free and stays free.
Every Secondary 3 Math topic — the complete Solutions Bundle
One download, one payment, the whole program. For all 11 Secondary 3 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.
Real Numbers and Number Sets practice worksheet About the Real Numbers and Number Sets unit test