Subtraction Using Base-Ten Blocks (Example)

The video tutorial demonstrates a subtraction example using the numbers 366 and 145. It begins by introducing the problem and visually representing the minuend and subtrahend. The tutorial then explains how to subtract units, rods, and flats from the minuend. Finally, it shows how to count the remaining blocks to find the difference, which is 221.

How many flats are in the hundreds place after crossing off?

What is the final difference after performing the subtraction?