This is a method of adding two numbers using small progressive steps along a line.

Example 1

42+27

To see how this is broken down

## Step by step

Example 1

42+27

Answer: =69

Answer: =69

Example 2

419+275

To see how this is broken down

## Step by step

Example 2

419+275

Answer: =964

Example 3

256+137

To see how this is broken down

## Step by step

Example 3

256+137

Answer: 256+137=393

Answer: =393