Decomposing and Composing Numbers

The video tutorial introduces the concepts of composing and decomposing numbers. It begins with composing the number five using different combinations of smaller numbers. The lesson then progresses to composing the number ten, demonstrating various combinations. Following this, the video explains how to decompose the number ten into smaller numbers. The tutorial concludes with practice exercises to reinforce the concepts learned. Throughout the lesson, the importance of understanding how numbers can be broken down and built up is emphasized.

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

• 6

• 3

• 7

• 5

Which of the following pairs can be combined to make the number 5?

• 2 and 2

• 3 and 3

• 3 and 2

• 4 and 4

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

• 6 and 4

• 8 and 2

• 9 and 1

• 7 and 3

Which pair of numbers can be used to decompose the number 10?

• 3 and 3

• 4 and 4

• 2 and 2

• 5 and 5

What is the result of decomposing the number 3?

• 1 and 2

• 3 and 3

• 1 and 1

• 2 and 2

Which of the following is a correct decomposition of the number 9?

• 3 and 6

• 1 and 8

• 2 and 7

• 4 and 5

How can you decompose the number 6?

• 4 and 2

• 2 and 4

• 3 and 3

• 1 and 5

What is a valid way to decompose the number 5?

• 3 and 2

• All of the above

• 2 and 3

• 1 and 4

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

• 1 and 1

• 0 and 2

• 2 and 0

• 1 and 2

What is the result of decomposing the number 4?

• 2 and 2

• All of the above

• 1 and 3

• 3 and 1