Translating Verbal Descriptions into Algebraic Expressions

The video tutorial 'Let's Get Mathy' guides students through the process of translating verbal models into mathematical equations and expressions. It covers key math terms associated with operations like addition, subtraction, multiplication, and division. The tutorial provides examples to illustrate how to convert verbal phrases into expressions and equations, emphasizing tricky concepts such as 'less than' and the use of parentheses. The video also introduces equations and inequalities, explaining how to identify them through keywords. By the end, students should be able to translate verbal expressions into mathematical forms confidently.

Which mathematical operation is represented by the word 'quotient'?

• Addition

• Division

• Multiplication

• Subtraction

In the phrase '25 more than twice a number m', what does 'twice' represent?

• Division

• Addition

• Subtraction

• Multiplication

How would you write 'each person's share of baseball cards if four people share c cards equally'?

• c / 4

• c + 4

• c - 4

• c * 4

In the phrase '18 less than a number c', how should the expression be written?

• 18 + c

• c - 18

• 18 - c

• c + 18

What does the word 'is' indicate in a mathematical phrase?

• Addition

• A variable

• Subtraction

• An equation or inequality

In the phrase 'the difference of a number c and 17 is more than 33', what does 'difference' represent?

• Subtraction

• Addition

• Multiplication

• Division

How would you write 'the sum of 14 and twice a number y is equal to 78'?

• 14 * 2y = 78

• 14 - 2y = 78

• 14 + 2y = 78

• 14 / 2y = 78

In the phrase 'the product of 3 and a number x is at most 21', what does 'product' represent?

• Division

• Multiplication

• Subtraction

• Addition

What does the phrase 'at most' imply in an inequality?

• Greater than or equal to

• Less than

• Less than or equal to

• Greater than

How would you write 'twice the sum of a number and 14 is at most 38'?

• 2(a + 14) > 38

• 2(a + 14) < 38

• 2(a + 14) ≥ 38

• 2(a + 14) ≤ 38