Mathematics

Year 8 · Term 1–2

8.5 Directed Number and Algebra Basics

Learning Objectives

Directed Number

  1. 1. Add and subtract directed numbers.
  2. 2. Multiply and divide directed numbers.
  3. 3. Apply the order of operations, including calculations with exponents and directed numbers.
  4. 4. Use the distributive property with a single bracket involving directed numbers.

Algebra Basics

  1. 5. Use algebraic vocabulary correctly (term, expression, coefficient, variable, constant).
  2. 6. Use algebraic notation and conventions correctly (e.g. write 3x not x3, write n² not n × n).
  3. 7. Collect like terms in algebraic expressions.
  4. 8. Understand and use algebraic products (e.g. 3 × a × a = 3a²).