Library (Represent word problems involving multiplicative comparison using a symbol for the unknown where the group size

The video tutorial explains how to solve a word problem involving Sarah and Lily's reading activity. Sarah reads 24 pages, which is three times the number of pages Lily reads. The tutorial demonstrates how to find the number of pages Lily read by setting up an equation and solving it using multiplication and division. It emphasizes using symbols for unknown values and concludes with a summary of solving multiplicative comparison word problems.

What is the main problem discussed in the video?

• Calculating the total number of pages read by both.

• Determining how many pages Lily read.

• Finding out how many pages Sarah read.

• Understanding why Sarah reads more than Lily.

How is the unknown number of pages that Lily read represented?

• With a triangle symbol.

• With a number.

• With a letter.

• With a rectangle symbol.

What equation is set up to find the number of pages Lily read?

• 24 = 3 + unknown

• 24 = 3 - unknown

• 24 = unknown / 3

• 24 = 3 * unknown

What is the solution to the equation 24 = 3 * unknown?

• 6

• 9

• 7

• 8

What mathematical operation can be used to solve the equation besides multiplication?

• Addition

• Subtraction

• Division

• Exponentiation