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Algebraic Expressions Intro

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Algebraic Expressions Intro

Read each question carefully. Use letters to stand for numbers when needed. Show your steps for evaluation problems.

Vocabulary and Understanding

1.Match each algebra word to its meaning.
  • Variable
  • Coefficient
  • Term
  • Expression
  • Constant
  • Operation
  • B. A letter or symbol that stands for a number
  • D. One part of an expression, separated by + or − signs
  • C. A number multiplied by a variable
  • A. A number that is added or subtracted on its own
  • E. A mathematical phrase made of terms, with no equals sign
  • F. An action such as addition, subtraction, multiplication, or division
2.For the expression 5p + 9, select every statement that is true.
  • p is the variable.
  • 5 is the coefficient of p.
  • The expression has two terms.
  • 9 is a constant.
  • The expression has an equals sign.
3.In 8a − 3, what number is the coefficient of a?

Writing Algebraic Expressions

4.Caleb has s seashells. She finds 14 more. Write an expression for how many seashells she has now.
5.There are 7 markers in each pack. Write an expression for the number of markers in k packs.
6.Emily has $30 and spends c dollars on a book. Write an expression for the money Emily has left.
7.Write an expression for the total cost of m notebooks that cost $4 each, plus a $3 folder.
8.Write a short story problem that could be represented by 2n + 6. Include what n represents.

Evaluating Expressions

9.Find the value of 3x + 4 when x = 5. Show your substitution and calculation.
10.Find the value of 6x − 7 when x = 4. Show your substitution and calculation.
11.Write an expression for 5 less than three times y. Then find its value when y = 6.

3 printable pages

  • Algebraic Expressions Intro, page 1 of 3: Vocabulary and Understanding

    Page 1

  • Algebraic Expressions Intro, page 2 of 3: Writing Algebraic Expressions, Evaluating Expressions

    Page 2

  • Algebraic Expressions Intro, page 3 of 3: 11. Write an expression for 5 less than three times y. Then find its value when y = 6.

    Page 3

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