Writing Multiplication Expressions to Represent Illustrations

The video tutorial explains multiplication as adding equal groups and demonstrates how to represent this using arrays. It provides real-world examples, such as juice boxes and grocery items, to illustrate the concept. The tutorial also guides viewers on writing multiplication equations by identifying factors, using examples like cookies on plates and windows in houses. By the end, viewers learn to write multiplication expressions by counting equal groups and objects in each group.

What does a 5 by 9 array represent in terms of multiplication?

• The division of 9 by 5

• The difference between 5 and 9

• The product of 5 times 9

• The sum of 5 and 9

How can buying multiple packs of juice boxes be expressed mathematically?

• As an addition equation

• As a division equation

• As a subtraction equation

• As a multiplication equation

If you have 5 plates with 4 cookies each, what multiplication expression represents the total number of cookies?

• 5 times 5

• 4 times 5

• 5 times 4

• 4 times 4

In the example of houses with windows, what are the two factors used to find the total number of windows?

• Number of windows and number of doors

• Number of houses and number of windows per house

• Number of rooms and number of windows per room

• Number of streets and number of houses per street

Which multiplication expression correctly represents the total number of windows in the houses?

• 5 times 5

• 1 times 35

• 6 times 6

• 7 times 5