Stick Multiplication Concepts

The video tutorial introduces stick multiplication, where a red stick equals 10 and a yellow stick equals 1. It demonstrates how to model the numbers 15 and 13 using these sticks and explains the process of calculating intersections to find the product. The intersections of two red sticks, a red and a yellow stick, and two yellow sticks are calculated as 100, 10, and 1, respectively. Finally, the video shows how to sum these products to find that 15 times 13 equals 195.

In stick multiplication, what does a red stick represent?

• 5

• 1

• 100

• 10

How many yellow sticks are used to model the number 15?

• 15

• 10

• 5

• 3

What is the value of the intersection of two red sticks?

• 50

• 10

• 100

• 1

What is the value of the intersection of a red stick and a yellow stick?

• 50

• 10

• 100

• 1

What is the final product of multiplying 15 and 13 using stick multiplication?

• 150

• 165

• 195

• 180