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Understanding Variables Worksheet
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Understanding Variables Worksheet
Choose the best answer, complete each statement, and solve the equations. Show your work where space is provided.
Choose the Best Answer
Select one answer for each question.
1.Which symbol can stand for a number whose value is not yet known?
- 8
- +
- m
- =
2.In 4p, what does p represent?
- A number that can vary or is not yet known
- The number 4
- A subtraction sign
- The answer must be zero
3.If a = 6, what is a + 5?
- 11
- 30
- 6
- 5
4.If b = 3, what is 4b?
- 7
- 12
- 43
- 1
Algebra Vocabulary
Complete each sentence with the appropriate algebra term.
5.A letter or symbol used to represent a number is a .
6.To put a number in place of a variable, you the number for it.
7.A mathematical statement showing that two quantities are equal is an .
8.To find a value that makes an equation true is to the equation.
9.A combination of numbers, variables, and operations without an equals sign is an .
Solve the Equations
Find the value of the variable. Show your steps.
10.Solve: x + 8 = 15. What is x?
11.Solve: y − 5 = 4. What is y?
12.Solve: 3n = 18. What is n?
13.At a local bakery, Hannah puts some muffins on a tray. Gabriela adds 5 more, making 13 muffins altogether. Let m be the number Hannah placed on the tray. Write an equation and find m.
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