1. Use number line add stc-1D
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Answer:
To add a positive number means that we move the point to the right of the number line.
Similarly, to add a negative number implies that we move the point to the left of the number line.
here is a diagram of a number with zero at the center, integers 1 to 7 on the right side, and integers -1 to -7 on the left side. there are notes under the number line that to add a positive number, you move some units to the right of the number line while to add a negative number means you move some units to the left of the number line.
Examples of Adding Numbers on the Number Line
Example 1: Simplify by adding the numbers, 2 + 4.
The first step is to locate the first number which is two (2) on the number line.
the number two or 2 is represented as a dot on a number line
Adding four (4) means we have to move the point, four (4) units to the right.
the original number two is moved 4 units to the right of the number line to indicate addition
After doing so, we end up at 6. Therefore, 2+4=6.
Explanation:
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