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Multiplying and dividing positive and negative numbers Slideshow 5, Mr Richard Sasaki Room 307.

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Presentation on theme: "Multiplying and dividing positive and negative numbers Slideshow 5, Mr Richard Sasaki Room 307."— Presentation transcript:

1 Multiplying and dividing positive and negative numbers Slideshow 5, Mr Richard Sasaki Room 307

2 Objectives Multiplication and division drillMultiplication and division drill Learn rules for multiplying negative numbersLearn rules for multiplying negative numbers Learn rules for dividing negative numbersLearn rules for dividing negative numbers Practice multiplying and dividing negative numbersPractice multiplying and dividing negative numbers You have four minutes to complete the drill, good luck!

3 Answers

4 Multiplying with Negative Numbers Rules for multiplying negative numbers are similar to adding or subtracting. Example Let’s look at the number line.

5 Multiplying with Negative Numbers Let’s try another example. Example Basically, if we multiply a negative number by a positive, we get a negative.

6 Multiplying with Negative Numbers How about two negatives? Example Here we increase the weight of -5, but it goes the opposite way as it’s by a negative amount. When we multiply a negative number by another, the answer will be positive.

7 Dividing Negative Numbers Dividing has exactly the same rules. Examples It doesn’t make any difference which number in the calculation is negative. If one is negative, the answer will be negative.

8 Dividing Negative Numbers Like multiplication, if we divide a negative number by another, our result is positive. Examples

9 Answers - Easy

10 Answers - Medium

11 Answers - Hard


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