Lesson Preparation

This is the first of four lessons that focuses on the use of the double number line as a tool for solving ratio and rates problems. The origin of chocolate, and the ratio of cacao beans to cacao pods, is used in a bartering context to motivate solving problems involving ratios and rates.

CCSS content goals: 6.RP.A.1, 6.RP.A.3

Standards for Mathematical Practice: MP1, MP2, MP7

‍<lesson_fa-icon><lesson_fa-icon> Teacher Guide

<lesson_fa-icon><lesson_fa-icon> Teacher Slides

<lesson_fa-icon><lesson_fa-icon> Student Workbook (PDF)