Decomposing and Composing Numbers

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 components. The lesson provides examples for composing numbers like four, five, and ten, and demonstrates decomposing the number ten into various pairs. The tutorial includes practice exercises for decomposing numbers and concludes with a recap of the key concepts.

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

• 7

• 5

• 3

• 6

Which pair of numbers can be combined to make 5?

• 4 and 4

• 3 and 3

• 2 and 2

• 3 and 2

How can you compose the number 10 using two numbers?

• 7 and 2

• 5 and 4

• 8 and 1

• 9 and 1

Which of the following is a way to decompose the number 10?

• 5 and 5

• 6 and 3

• 8 and 2

• 7 and 2

What is one way to decompose the number 3?

• 1 and 1

• 2 and 2

• 2 and 1

• 3 and 0

Which pair of numbers can be used to decompose 9?

• 2 and 7

• 3 and 6

• 4 and 5

• 5 and 3

How can you decompose the number 6?

• 2 and 2

• 3 and 3

• 4 and 1

• 5 and 0

What is a valid decomposition of the number 5?

• 2 and 3

• All of the above

• 3 and 2

• 1 and 4

Which of the following is a correct decomposition of the number 2?

• 1 and 0

• 1 and 1

• 2 and 0

• 0 and 2

What is one way to decompose the number 4?

• 4 and 0

• All of the above

• 3 and 1

• 2 and 2