Solving Multiplicative Comparison Word Problems with Bar Models

This video tutorial teaches how to solve multiplicative comparison word problems using bar models. It covers examples involving cookies, hats, and lamps, demonstrating how to identify and solve these problems by representing quantities visually. Key vocabulary for recognizing multiplicative comparison problems is also discussed.

If Glenn has 3 cookies and Joshua has four times as many, how many cookies does Joshua have?

• 9

• 15

• 6

• 12

What phrase indicates a multiplicative comparison in word problems?

• less than

• times as many

• as much as

• equal to

If a red hat costs $18 and a blue hat costs $6, how many times more expensive is the red hat?

• 2 times

• 3 times

• 4 times

• 5 times

How many groups of $8 are needed to make $32?

• 2

• 3

• 4

• 5

If a yellow lamp costs $8 and an orange lamp costs $32, how many times more does the orange lamp cost?

• 2 times

• 5 times

• 3 times

• 4 times