Column Addition with Two-Digit Numbers

This video tutorial teaches how to add two-digit numbers using column addition. It emphasizes the importance of aligning numbers correctly in columns, starting from the right-hand side, and carrying over when necessary. The tutorial includes three examples: adding 17 and 16, 25 and 16, and 28 and 24, each demonstrating the step-by-step process of column addition.

What is the first step in column addition when adding two-digit numbers?

• Subtract the ones

• Add the tens first

• Align the numbers by their tens and ones

• Start from the leftmost column

In the example of adding 17 and 16, what is the result of adding the ones column?

• 14

• 13

• 11

• 12

When adding 25 and 16, what do you do after adding the ones column?

• Subtract the carry from the tens

• Carry over to the tens column

• Add the tens column without the carry

• Ignore the carry over

What is the sum of the tens column in the example of adding 25 and 16?

• 6

• 5

• 3

• 4

In the example of adding 28 and 24, what is the final sum?

• 53

• 51

• 54

• 52