# Worksheet: Variables and Constants

In this worksheet, we will practice using the concepts of constants, variables, and mathematical relations to solve simple real-word problems.

**Q1: **

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

**Q5: **

The equation shows the total number of flowers Victoria has in relation to the number of vases she owns. The variable represents the number of vases she has, and the variable represents the total number of flowers. If Victoria has 5 vases, how many flowers does she have?

**Q7: **

Which one of the following expressions does not belong with the others?

- A
- B
- C
- D
- E

**Q8: **

What terminology do we use to describe the in ?

- Aa variable
- Ba constant
- Can expression
- Da term
- Ea coefficient

**Q9: **

The side length of a rhombus is and its perimeter is .

What is the mathematical relation between and ?

- A
- B
- C
- D

What term do we use to describe in ?

- AA constant
- BA variable

**Q10: **

The side length of an equilateral triangle is and its perimeter is .

What is the mathematical relation between and ?

- A
- B
- C
- D

What is the term used to describe in ?

- AA constant
- BA variable