Lesson 3

Using Ratios

Est. Class Sessions: 2–3

Homework and Practice

  • Assign Question 1 in the Graphs and Ratios Homework section in the Student Guide after Part 1 of the Lesson. Students make graphs and then use them to find equivalent ratios.
  • Assign Questions 2–4 in the Solve Problems with Ratios Homework section in the Student Guide after Part 2 of the Lesson. Students use ratios to solve problems comparing the relationship between two quantities.
  • Assign DPP Items I–L. Students convert between units of measure within a standard measurement system in Bit I. Students solve problems with time and money in Task J. In Bit K, students multiply and divide by multiples of 10. Task L can be used as a Problem of the Week. Students solve problems with time and money including converting between hours, minutes, and seconds.
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