Algebra
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Unit 1: Foundations for Algebra
Lesson 1.6: Multiplication & Division
How do we multiply and divide real numbers?
How are multiplication and division related?
How are multiplication and division related?
Addition and subtraction can only get us so far.
We can only go up and down the number line with addition and subtraction.
Let's add some dimensions to our mathematics!
We can only go up and down the number line with addition and subtraction.
Let's add some dimensions to our mathematics!
Multiplication can best be visualized as area.
If you want to know the number of squares in a 7 by 9 rectangle, you can multiply instead of having to count to nine seven times. |
Division can best be visualized as equal distribution.
If you want to divide 3 pizzas among 8 people, you can divide 3 by 8 to discover everyone could eat 3/8 of a pizza. Perfectly fair! |