Review for You: Subtraction

The video tutorial explains the standard algorithm for solving subtraction problems, starting with basic examples and progressing to more complex cases involving regrouping and numbers with zeros. It covers aligning numbers vertically, subtracting digits, and handling cases where regrouping is necessary. The tutorial also demonstrates subtraction with numbers in the hundreds and zeros, emphasizing the importance of understanding place values and regrouping techniques.

What is the first step in solving a subtraction problem using the standard algorithm?

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What is the difference when subtracting 45 from 15?

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Explain the process of regrouping when the digit in the ones place is smaller than the digit being subtracted.

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How do you represent the number 31 using base 10 blocks?

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Describe the steps to subtract 386 from 78 using the standard algorithm.

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