Things to Learn

  • Understand that a letter in an expression or an equation can represent a number. When that number is replaced with a letter, an expression or an equation is stated.
  • Discover the commutative properties of addition and multiplication, the additive identity property of zero, and the multiplicative identity property of one. They determine that g ÷ 1 = g, g ÷ g = 1, and 1 ÷ g = 1/g.

Warm-up Math Practice

6th-m4tal8: Replacing Numbers with Letters[pdf-embedder url=”/wp-content/uploads/math-g6-m4-topic-c-lesson-8-student.pdf”]