Lesson: Ratios Mathematics

In this lesson, we will learn how to use our understanding of ratios to solve word problems.

Lesson Plan

Objectives

Students will be able to

find the ratio given and ,
share a quantity in a given ratio,
solve problems involving sharing a quantity given the relationship between the shares,
find a new ratio when a number is added or subtracted from one or both terms of a ratio,
find the number added to one or both terms of a ratio given the final ratio.

Prerequisites

Students should already be familiar with

sharing a quantity in a ratio,
properties of ratios.

Lesson Video

Sample Question Videos

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01:32
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Lesson Worksheet

Q1:

The ratio between two integers is . If you subtract 33 from each, then the ratio becomes . What are the two integers?

Q2:

If a tennis ball weighs the same as 15 pieces of candy, and an orange weighs the same as 2 tennis balls, determine how many pieces of candy would weigh the same as an orange.

Q3:

When the multiplicative inverse of a number is added to the consequent of the ratio , the result is the ratio . What is the number?