Understanding Basic Math Expressions

The video tutorial reviews basic math expressions, focusing on interpreting phrases like '5 more than x', '5 less than x', and '3 less than twice x'. It explains how to correctly translate these phrases into mathematical expressions, emphasizing the importance of order in operations. The tutorial clarifies common misconceptions and provides correct solutions for each expression.

How would you express '5 more than a number x' in a mathematical expression?

• x - 5

• 5 - x

• x + 5

• 5 + x

Which of the following represents '5 less than a number x'?

• 5 + x

• 5 - x

• x - 5

• x + 5

If you have '5 less than a number x', what operation do you perform?

• Multiply x by 5

• Subtract 5 from x

• Divide x by 5

• Add 5 to x

How do you write '3 less than twice a number x' as an expression?

• 2x + 3

• 3 + 2x

• 3 - 2x

• 2x - 3

What is the correct expression for '3 less than twice x'?

• x - 3

• 3x - 2

• 2x - 3

• 3 - 2x