Understanding Place Value: Adding and Subtracting 100

The video tutorial explains how to add and subtract 100 from a number using a place value grid. It provides examples of both operations, focusing on changes in the hundreds column. The tutorial also includes a problem-solving exercise to find the middle number between two given amounts.

What happens to the hundreds column when you add 100 to the number 261?

Explain how to determine the new number when you add 100 to 137.

When we take away 100 from the number 561, what is the new number?

Describe the process of taking away 106 from the number 614.

What is the middle number between 123 and 323?