Subtracting Using a Number Line

This video tutorial teaches subtraction using a number line. It begins with an introduction to the concept and explains how number lines can be used for both addition and subtraction. The tutorial addresses common misunderstandings, such as moving in the wrong direction or counting points instead of units. It also demonstrates how to use groups of 10 to simplify subtraction problems. The lesson concludes with a practical example involving students in a classroom, reinforcing the concepts taught.

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