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Understanding Expressions Worksheet

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Understanding Expressions Worksheet

Read each expression carefully. Choose, write, or explain your answer as directed.

Parts of Expressions

1.In the expression 5p + 9, which symbol is the variable?

2.In 5p + 9, what number multiplies p?

3.In 5p + 9, identify the constant term.

4.Select every algebraic expression. An expression has no equals sign.

7r - 3
12 = 8 + 4
2 + q
6 × 5 = 30

5.Complete the sentence about 8k - 6: The letter k is the .

6.Complete the sentence about 8k - 6: The number 8 is the .

7.Complete the sentence about 8k - 6: The number 6 is the .

8.Complete the sentence about 8k - 6: The minus sign shows an .

Writing and Representing Expressions

9.Draw algebra tiles for 3x + 4. Use one long rectangle for each x-tile and one small square for each unit tile.

10.Write an expression for two cartons holding c pencils each, with 7 extra pencils.

11.Write an expression for nine times a number t, then subtract 4.

12.Write an expression for a number w increased by 15.

13.Four x-tiles and three unit tiles represent an expression. Write that expression.

14.Explain what the variable represents when four groups of an unknown number are combined with three additional units.

Expressions in Context

15.Hiroshi already has 6 game tokens. Hiroshi gets 2 prize bags with n tokens in each bag. Write an expression for the total number of tokens.

16.A school club charges $10 to join and $4 for each activity a member attends. Write an expression for the total cost if a member attends a activities.