Translating Algebraic Expressions in Unit 2

This video tutorial introduces algebraic expressions and explains how to translate verbal phrases into algebraic expressions using keywords for addition, subtraction, multiplication, and division. It highlights the importance of recognizing turnaround phrases in subtraction and provides examples and practice problems to reinforce learning.

Which of the following phrases indicates addition?

• Quotient

• Difference

• Product

• Sum

What does the word 'difference' indicate in an algebraic expression?

• Subtraction

• Division

• Addition

• Multiplication

Which of the following is a turnaround phrase?

• Times

• Less than

• Plus

• Increased by

How would you translate 'five more than a number' into an algebraic expression?

• 5 - x

• x + 5

• 5 / x

• x * 5

What does the phrase 'twice a number' mean?

• 2 * x

• x - 2

• x + 2

• x / 2

How would you write 'three subtracted from a number' in algebraic form?

• 3 - x

• x - 3

• 3 / x

• x + 3

What does 'per' indicate in an algebraic expression?

• Subtraction

• Division

• Addition

• Multiplication

Translate 'the sum of a number and twenty-four' into an algebraic expression.

• x - 24

• x + 24

• 24 * x

• 24 / x

How would you express 'two fifths of a number' in algebraic terms?

• x / 5

• 5 * x / 2

• 5 / 2 * x

• 2 / 5 * x

What does 'half a number minus nineteen' translate to?

• 19 - x / 2

• x * 2 - 19

• 2 / x - 19

• x / 2 - 19