Mathematical Concepts and Problem Solving

The video tutorial covers a range of mathematical concepts including least common multiple, greatest common factor, expressions, variables, temperature, fractions, percentage calculations, and the area of a triangle. It also explains inequality symbols and provides exercises for students to practice. The lesson concludes with problem-solving activities and homework assignments.

What is the least common multiple of 8 and 12?

• 32

• 40

• 24

• 16

Which of the following is the greatest common factor of 8 and 12?

• 6

• 4

• 3

• 2

Which expression is equivalent to 5 + w + 10w?

• 5 + 11w

• 5w + 10

• 15w

• 5 + 10w

If the temperature is above zero degrees Fahrenheit, which of the following is true?

• It is freezing

• It is zero

• It is negative

• It is positive

How many one-third cup servings are in a half cup of raisins?

• 1

• 1.5

• 2

• 2.5

What percentage of ice cream cones were chocolate if 24 out of 60 were vanilla?

• 60%

• 50%

• 40%

• 70%

What is the area of a triangle with a base of 10 cm and height of 4 cm?

• 20 cm²

• 40 cm²

• 30 cm²

• 10 cm²

What does the symbol '>' represent?

• Equal to

• Less than

• Not equal to

• Greater than

Which inequality symbol represents 'less than or equal to'?

• <

• >

• <=

• >=

If 4 + x = 12, what value of x makes the equation true?

• 9

• 8

• 7

• 6