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Year 7 Mathematics · Chapter 2

The Building Blocks of Number

Year 7 Mathematics, NSW Stage 4. The Building Blocks of Number, 9 lessons, written to the NSW Mathematics syllabus.

In this chapter

What the guide holds

Every lesson runs the same way: worked examples paired with a your-turn column, a four-stage practice ladder from fluency to exam-style questions, and full worked solutions for every question at the back of the chapter.

Includes three practice examinations on this chapter, sharing no question between them, each with its own worked solutions. Sit one and keep the other two for revision.

9 lessons

Lesson by lesson

  1. 2.1 Factors and multiples
  2. 2.2 Highest common factor and lowest common multiple
  3. 2.3 Divisibility tests
  4. 2.4 Prime and composite numbers
  5. 2.5 Index notation: base, index and expanded form
  6. 2.6 Prime factorisation with factor trees
  7. 2.7 Squares and square roots
  8. 2.8 Cubes and cube roots
  9. Putting it together

Common questions

Questions about this chapter

What does The Building Blocks of Number cover?
Year 7 Mathematics, NSW Stage 4. The Building Blocks of Number, 9 lessons, written to the NSW Mathematics syllabus.
How many lessons are in The Building Blocks of Number?
9 lessons: 2.1 Factors and multiples, 2.2 Highest common factor and lowest common multiple, 2.3 Divisibility tests, 2.4 Prime and composite numbers, 2.5 Index notation: base, index and expanded form, 2.6 Prime factorisation with factor trees, 2.7 Squares and square roots, 2.8 Cubes and cube roots, Putting it together.
Is the Building Blocks of Number study guide free?
This page is free to read, with nothing to buy and no account to make. It sets out what the unit covers. The full guide isn't published online; it's what our tutors teach from in lessons.
Can BTA tutor Year 7 Mathematics?
Yes. We tutor Year 7 Mathematics one-on-one at any of our eight academies across five locations, online through Microsoft Teams, or in your home. All three cost the same hourly rate and the first consultation is free.

Still deciding? Book a free consultation and we will talk through where your child is up to.

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