Number Decomposition and Composition

The video tutorial covers the concepts of composing and decomposing numbers. It begins with an introduction to the topic, followed by examples of composing numbers like five, four, and ten using different combinations. The tutorial then explains decomposing numbers, particularly focusing on the number ten, and provides practice exercises for decomposing various numbers. The lesson concludes with a recap of the key concepts and a reminder of the importance of these mathematical operations.

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

• 3

• 7

• 6

• 5

Which pair of numbers can be combined to make 5?

• 2 and 2

• 3 and 1

• 3 and 2

• 4 and 4

How can you compose the number 10 using two numbers?

• 7 and 3

• 6 and 5

• 8 and 1

• 5 and 4

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

• 3 and 7

• 4 and 4

• 2 and 9

• 5 and 6

If you decompose the number 3, which pair of numbers can you use?

• 1 and 1

• 2 and 1

• 3 and 0

• 2 and 2

What is one way to decompose the number 9?

• 5 and 5

• 2 and 7

• 3 and 6

• 4 and 5

Which pair of numbers can be used to decompose the number 6?

• 5 and 1

• 4 and 2

• 2 and 4

• 3 and 3

How can you decompose the number 5?

• 2 and 3

• 3 and 2

• All of the above

• 1 and 4

What is a valid decomposition of the number 2?

• 1 and 2

• 1 and 1

• 0 and 2

• 2 and 0

Which pair of numbers can be used to decompose the number 4?

• All of the above

• 3 and 1

• 4 and 0

• 2 and 2