Subtracting Three-Digit Numbers Using a Number Line

This lesson teaches how to subtract three-digit numbers using a number line. It explains the concept of expanded form and demonstrates how to make jumps on the number line to find the difference. Three examples are provided to illustrate the process, showing how to break down numbers into hundreds, tens, and ones, and subtract each part step-by-step. The lesson emphasizes the flexibility of number lines in counting by different increments and moving backwards.

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