Composing and Decomposing Numbers

The video tutorial introduces the concepts of composing and decomposing numbers. It begins with an explanation of how numbers can be composed by adding smaller numbers together, using examples like composing the numbers five and ten. The tutorial then shifts to decomposing numbers, demonstrating how larger numbers can be broken down into smaller components. Practice exercises are provided to reinforce the concepts, and the video concludes with a recap of the key ideas.

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

• 7

• 6

• 5

• 3

Which pair of numbers can be combined to make 5?

• 4 and 0

• 3 and 1

• 2 and 2

• 3 and 2

What is the result when you combine the numbers 3 and 2?

• 7

• 4

• 6

• 5

Which pair of numbers can be combined to make 5?

• 4 and 0

• 1 and 4

• 3 and 1

• 2 and 2

How can you compose the number 4?

• 3 and 1

• 4 and 0

• 2 and 1

• 5 and -1

How can you compose the number 4?

• 4 and 0

• 2 and 2

• 5 and -1

• 2 and 1

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

• 5 and 4

• 8 and 1

• 6 and 3

• 7 and 3

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

• 7 and 2

• 8 and 1

• 6 and 4

• 5 and 4

What is the term used for breaking a number into smaller numbers?

• Dividing

• Multiplying

• Decomposing

• Composing

How can you decompose the number 10?

• 5 and 5

• 8 and 1

• 6 and 3

• 7 and 2