Now watch the second video, think about the question below, and try the next quiz.

We have seen that 5 • 3 = 15 

In general what will be the result if we multiply a red number by a yellow number? How many tiles will there be in total? What colour will they be?

 

After you have thought about the question, take the quiz.

1. What will be the result if we multiply a red number a by a yellow number b? How many tiles will there be in total?

☐ a 

☐  b

☐ a + b

☐ a • b