Lesson Topics Discussion Quiz: Class Homework |
Example1 |
Title: Adding signed numbers |
Grade 6+ Lesson s1-l2 |
Explanation: The best way to understand algebra is by looking at some examples. Take turns and read each example for easy understanding. |
Examples
Topics → Definition Example1 Example2
Lets add -7 and +5.
Step 1 |
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Since one number is negative and the other is positive, we’ll use the different sign addition rule. |
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Explanation: |
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\$|-7|\$ = 7 and \$|5|\$ = 5 |
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Step 2 |
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The sign of the result will be the sign of the number with the larger absolute value, which in this case is -7 + 5 = -2. |
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Explanation: |
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Therefore, -7 + 5 = -2. |
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