Negative Numbers
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10 Terms
Negative Numbers
Numbers less than zero.
Addition with Negative Numbers
To add a negative number, start from the number and move left on the number line.
Subtraction with Negative Numbers
To subtract a negative number, start from the number and move right on the number line.
Multiplying Sign Rules
- + makes +, + - makes -, - + makes -, - - makes +.
-2 × 3
Using multiplication sign rules, -2 × 3 = -6.
-8 / -2
Using multiplication sign rules, -8 / -2 = 4.
Impact of Squaring on Negative Numbers
Squaring a negative number results in a positive number.
Impact of Cubing on Negative Numbers
Cubing a negative number results in a negative number.
Change in Temperature Calculation
To find the change in temperature, subtract the initial temperature from the final temperature.
What is the temperature on Wednesday if it was 3 degrees lower than -2 degrees Celsius?
It would be -5 degrees Celsius.
Flashcards (30)