Theme 1: Introduction


Understanding numbers





In this theme, you will solve problems involving numbers, money, decimals, fractions, rates, ratios, and percents in everyday home, workplace, and community contexts.


Courtesy of Getty


This theme includes five lessons:

  • Lesson 1 — Whole Numbers
  • Lesson 2 — Integers
  • Lesson 3 — Dollars and Decimals
  • Lesson 4 — Fractions
  • Lesson 5 — Rates, Ratios, and Percents