Exploring Multiplication as Comparison in 4th Grade Math

In this video tutorial, Miss Facelli introduces the concept of viewing multiplication as a comparison using number sentences. The lesson begins with a review of how to represent multiplication as a comparison, followed by examples of writing multiplication sentences for various scenarios. The video concludes with guided practice exercises, encouraging students to write their own multiplication sentences and use bar models for visualization. The key focus is on understanding multiplication as a comparison and translating phrases like 'times as many' into number sentences.

What is the main topic of this week's math lesson?

• Addition as a comparison

• Subtraction as a comparison

• Multiplication as a comparison

• Division as a comparison

How can we represent four times as many as two using number blocks?

• Two groups of three

• Three groups of two

• Four groups of two

• Two groups of four

What is the multiplication equation for four times as many as two?

• 4 * 2 = 8

• 2 * 4 = 8

• 4 * 2 = 6

• 2 * 4 = 6

How can we write seven times as many as four as a multiplication equation?

• 7 * 4 = 28

• 4 * 7 = 28

• 4 * 7 = 24

• 7 * 4 = 24

What is the result of seven times as many as four?

• 36

• 24

• 28

• 32

How can we write four times as many as seven as a multiplication equation?

• 4 * 7 = 28

• 7 * 4 = 24

• 7 * 4 = 28

• 4 * 7 = 24

What is the result of four times as many as seven?

• 36

• 28

• 24

• 32

How can we write five times as many as six as a multiplication equation?

• 6 * 5 = 30

• 5 * 6 = 30

• 6 * 5 = 25

• 5 * 6 = 25

What is the result of five times as many as six?

• 25

• 40

• 30

• 35

Which of the following is a correct number sentence for two times as many as three?

• 3 * 2 = 5

• 3 * 2 = 6

• 2 * 3 = 5

• 2 * 3 = 6