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Lesson 3: Writing Algebraic Expressions from Words — Practice Questions

  1. 1. Which expression represents the verbal phrase 'the sum of 9 and 4, multiplied by 3'?

    • A. $9 + 4 \times 3$
    • B. $(9 + 4) \times 3$
    • C. $(9 - 4) \times 3$
    • D. $9 \times (4 + 3)$
  2. 2. Write an expression for 'the difference between 15 and 6, divided by 3'. Use a '/' for division. Expression: ___

  3. 3. Which expression correctly translates 'five times the sum of 3.5 and 1.2'?

    • A. $5 \times 3.5 + 1.2$
    • B. $(5 + 3.5) \times 1.2$
    • C. $5 \times (3.5 + 1.2)$
    • D. $5 + 3.5 \times 1.2$
  4. 4. Translate this phrase into a mathematical expression: 'Multiply the difference of 10 and 2 by 7'. Expression: ___

  5. 5. Which verbal phrase accurately describes the expression $(12 - y) \div 5$?

    • A. 12 minus the quotient of y and 5.
    • B. The difference between 12 and y, divided by 5.
    • C. The quotient of 12 and 5, minus y.
    • D. The difference between 12 and y, multiplied by 5.
  6. 6. Write the expression for: 'Subtract 8 from 40, then divide the result by 4'. Use a '/' for division. Expression: ___

  7. 7. Translate the word phrase 'five times the sum of $x$ and $y$' into an algebraic expression. The expression is ___.

  8. 8. Translate the word phrase 'the product of 9 and $y$' into an algebraic expression. The expression is ___.

  9. 9. The number of rock CDs is 3 more than the number of classical CDs. Let $c$ be the number of classical CDs. What is the expression for the number of rock CDs? The expression is ___.