Lesson: Variables and Constants Mathematics • 6th Grade

In this lesson, we will learn how to use the concepts of constants, variables, and mathematical relations to solve simple real-word problems.

Lesson Plan

Students will be able to

understand the meaning of a constant and a variable,
identify the constant and the variable in simple real-world problems,
represent variables with symbols or letters,
complete tables representing a mathematical relationship,
write a mathematical relation to describe relationships between constants and variables.

Lesson Playlist

02:20
02:14
+5

01:48

Lesson Worksheet

Q1:

The equation shows the relation between the number of socks and the number of shoes Michael owns, where represents the number of socks, and represents the number of shoes. If Michael has 5 socks, how many shoes does he have?

Q2:

The equation shows the number of cakes Michael baked in relation to the number of hours he spent baking them. The variable represents the number of hours spent baking the cakes, and the variable represents the number of cakes baked. How many cakes did Michael make if he spent 7 hours baking?

Q3:

The equation can be used to calculate the total number of CDs Elizabeth had listened to days after she started working as a music producer. How many CDs had Elizabeth listened to one day after she started her job?