Lesson: Variables and Constants

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

Sample Question Videos

  • 02:01

Worksheet: 8 Questions • 1 Video

Q1:

The equation 𝑐 = 5 𝑑 can be used to calculate the total number of CDs Engy had listened to 𝑑 days after she started working as a music producer. How many CDs had Engy listened to one day after she started her job?

Q2:

The equation 𝑡 = 8 ℎ shows the number of ice cream cones served by an ice cream truck in a number of hours. The variable ℎ represents the number of hours, and the variable 𝑡 represents the number of ice cream cones served. How many ice cream cones were served after 2 hours?

Q3:

The equation 𝑛 = 1 2 𝑣 shows the total number of flowers Yara has in relation to the number of vases she owns. The variable 𝑣 represents the number of vases she has, and the variable 𝑛 represents the total number of flowers. If Yara has 5 vases, how many flowers does she have?
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