# In proportion: variables in ratios

Learning Material  |  Interactive Lesson

Published on 2018 August 13th

Description
Complete customer orders for a large hardware store by interpreting the ratios. Work in the gardening department to fill orders for liquid fertiliser (expressed as ratios). Examine the equations suggested to you by your colleagues. Choose and solve the correct equation to complete each order. This learning object is the fourth in a series of six learning objects.
Objective
Students construct representations (both verbal and symbolic) for ratios by interpreting the amounts from contextual settings.
Students formulate equations that represent proportional relationships between two (or more) ratios.
Students apply mathematical skills to solve and interpret equations that represent a proportional relationship between two (or more) ratios.

#### Curriculum Information

 Education Type K to 12 Grade Level Grade 7, Grade 8, Grade 9, Grade 6 Learning Area Mathematics Content/Topic Numbers and Number Sense Patterns and Algebra Intended Users Learners, Students Competencies