120 videos301 docs39 tests

1. How can subtraction be represented on a number line? 
2. What is the purpose of using a number line for subtraction? 
3. How can one perform subtraction using a number line? 
4. Can a number line be used for both positive and negative numbers in subtraction? 
5. How does using a number line help in understanding the concept of regrouping or borrowing in subtraction? 
120 videos301 docs39 tests


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