Module 3 Lesson 7

What is the purpose of using a letter to represent an unknown in a multiplication or division problem?

• To make the problem harder

• To represent an unknown value

• To confuse the student

• To replace numbers entirely

Thad sees 7 beetles, and each beetle has 6 legs. How many legs are there in total?

• 36

• 42

• 48

• 54

A tape diagram shows 6 equal parts, and each part has a value of 7. What is the total value represented by the diagram?

• 35

• 42

• 49

• 56

Are you enjoying the video lesson?

• Yes

• No

There are 28 pencils in total, and each student receives 4 pencils. How many students received pencils?

• 6

• 7

• 8

• 9