By the end of the lesson,you should be able to;
1. Define the number line
2. Draw a good number line
3. Use the number line to add and subtract numbers
4. Represent the information of subtraction and addition on the number line.
1. Define the number line
2. Draw a good number line
3. Use the number line to add and subtract numbers
4. Represent the information of subtraction and addition on the number line.
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