Number Composition and Decomposition

The video tutorial introduces the concepts of composing and decomposing numbers. It explains how to create numbers by combining smaller numbers and how to break down numbers into smaller parts. The lesson covers examples of composing numbers like four, five, and ten using different combinations. It also includes exercises for decomposing numbers into smaller components. The tutorial concludes with a recap of the key concepts and encourages students to practice further.

What is the result when you combine the numbers 4 and 1?

• 5

• 7

• 3

• 6

Which pair of numbers can be combined to make 5?

• 3 and 2

• 3 and 1

• 2 and 2

• 4 and 4

How can you compose the number 10 using the number 9?

• 8 and 2

• 6 and 4

• 9 and 1

• 7 and 3

Which of the following pairs can be used to decompose the number 10?

• 5 and 5

• 3 and 3

• 4 and 4

• 2 and 2

What is the result of decomposing the number 3?

• 1 and 1

• 1 and 2

• 2 and 2

• 3 and 3

Which pair of numbers can be used to decompose the number 9?

• 3 and 6

• 2 and 7

• 4 and 5

• 1 and 8

How can you decompose the number 6?

• 3 and 3

• 4 and 2

• 1 and 5

• 2 and 4

What is one way to decompose the number 5?

• 2 and 3

• 1 and 4

• 3 and 2

• All of the above

Which pair of numbers can be used to decompose the number 2?

• 2 and 0

• 1 and 1

• 0 and 2

• 1 and 2

What is the result of decomposing the number 4?

• 1 and 3

• 2 and 2

• 3 and 1

• All of the above