Understanding Multiplication and Division Fact Families

The video tutorial covers Lesson 1.9, focusing on using multiplication facts to find division facts. It explains how to solve division problems by relating them to multiplication, using examples like dividing chapters of a book over days. The lesson introduces arrays as a tool to visualize multiplication and division, and discusses the concept of fact families, which include related multiplication and division problems. The tutorial also suggests using grid paper to solve division problems and emphasizes the importance of understanding multiplication and division relationships.

What is the main objective of today's lesson?

• To identify multiplication facts related to division facts

• To memorize multiplication tables

• To learn how to add and subtract numbers

• To solve complex algebraic equations

Carly has 32 chapters to read in 8 days. How many chapters should she read each day?

• 8 chapters

• 32 chapters

• 4 chapters

• 16 chapters

If 8 times what number equals 32, what is the missing number?

• 8

• 6

• 4

• 2

What multiplication fact can help solve the problem of 80 divided by 10?

• 8 times 8

• 10 times 10

• 8 times 10

• 10 times 8

How can grid paper be used to find 63 divided by 9?

• By drawing 63 columns and counting rows

• By drawing 7 rows and counting columns

• By drawing 63 rows and counting columns

• By drawing 9 rows and counting columns

What is the multiplication fact related to 63 divided by 9?

• 9 times 7

• 9 times 6

• 7 times 9

• 6 times 9

In a fact family, how many complete problems are typically included?

• Three

• Five

• Two

• Four

Which number must division sentences start with in a fact family?

• The smallest number

• Any number

• The middle number

• The largest number

What is the result of 63 divided by 7 in the fact family?

• 8

• 6

• 7

• 9

What is the result of 63 divided by 9 in the fact family?

• 6

• 7

• 8

• 9