The video tutorial teaches students how to add doubles using cube trains as a visual model. It begins with an example of adding 5 + 5, demonstrating the counting method to reach the total of 10. The tutorial then moves on to show how to add 3 + 3 and 4 + 4, emphasizing the ease of learning double facts through visual aids and counting strategies.

What is the main topic of the lesson?

• Dividing doubles

• Multiplying doubles

• Adding doubles

• Subtracting doubles

What model is used to demonstrate adding doubles?

• Number lines

• Cube trains

• Counters

• Beads

How many cubes are in each train when adding 5 + 5?

• 4

• 5

• 3

• 6

What is the total when you add 5 + 5?

• 11

• 8

• 10

• 9

How many cubes are used in each train for the addition of 3 + 3?

• 4

• 2

• 1

• 3

What is the sum of 3 + 3?

• 5

• 6

• 7

• 8

How many cubes are used in each train for the addition of 4 + 4?

• 4

• 2

• 5

• 3

What is the total when you add 4 + 4?

• 9

• 8

• 7

• 6

What is the purpose of the practice session?

• To learn subtraction

• To practice division

• To learn multiplication

• To practice adding doubles