Dividing by Nine Concepts

The video tutorial covers lesson 7.9 on dividing by nine, focusing on various strategies such as using factors, related multiplication facts, and equal groups. It includes practical examples and word problems to reinforce understanding. The lesson emphasizes recognizing patterns in multiplication to simplify division and applies these strategies to real-world scenarios.

What is the essential question for dividing by nine?

• How can you multiply by nine?

• What strategies can you use to divide by nine?

• How can you add nine?

• What is nine times nine?

If 27 students are divided into 9 groups, how many students are in each group?

• 5

• 4

• 3

• 2

What is one strategy to divide 27 by 9?

• Subtract repeatedly

• Make equal groups

• Add repeatedly

• Use a calculator

How can you use factors to divide by 9?

• Divide by 2 and then by 4

• Divide by 3 twice

• Multiply by 3 and then divide by 3

• Add 3 repeatedly

What is the result of 27 divided by 9 using factors?

• 4

• 3

• 2

• 1

What multiplication fact can help solve 27 divided by 9?

• 9 times 4

• 9 times 1

• 9 times 2

• 9 times 3

What is 63 divided by 9 using multiplication facts?

• 5

• 6

• 7

• 8

How many counters are in each group when dividing 18 by 9?

• 4

• 1

• 2

• 3

What is the quotient of 45 divided by 9?

• 4

• 5

• 6

• 7

What is the result of 36 divided by 6?

• 5

• 6

• 7

• 8