This video lesson focuses on adding numbers using tens and ones. The teacher demonstrates several examples, including adding 19 and 2, 26 and 10, 35 and 3, and 13 and 7. Students are encouraged to practice these skills with exercises like adding 17 and 20. The lesson emphasizes the importance of understanding place value and using visual aids like number bonds and drawings to simplify addition. The session concludes with a student assignment to reinforce the concepts learned.

What is the main focus of today's lesson?

• Dividing numbers

• Adding ones and tens

• Multiplying numbers

• Subtracting numbers

How many dolls did the teacher initially buy?

• 21

• 25

• 15

• 19

When adding 19 and 2, which group do you add the 2 to?

• Tens

• Hundreds

• Ones

• Thousands

What is the result of adding 9 and 2?

• 10

• 11

• 13

• 12

What do you do after making a ten?

• Add it to the total

• Divide it

• Ignore it

• Subtract it

In the example of adding 26 and 10, what is added first?

• Thousands

• Hundreds

• Tens

• Ones

What is the sum of 20 and 10?

• 25

• 30

• 35

• 40

When adding 35 and 3, which group do you add the 3 to?

• Hundreds

• Thousands

• Tens

• Ones

What is the result of adding 5 and 3?

• 8

• 7

• 9

• 6

In the interactive exercise, what number is added to 17?

• 10

• 15

• 20

• 25