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Comparing with multiplication
In this tutorial, we look at multiplication and division through the lens of comparison. For example, say that you are 9 and 3 times older than your cousin. How old would your cousin be? Multiplying a number times 3 gets you to your age, 9. Can you figure out the answer? We'll go through several exercises together so you get enough practice to feel confident multiplying. By the way, memorizing your multiplication tables helps a lot!
You'll learn that sometimes multiplication is used as a way of comparing two things. In these 2 examples, we're comparing age and height.
When comparing it's often helpful to start by using letters to represent numbers. Watch this video as we walk you through 2 examples involving money and distance.
If you think about it, multiplying is just another way of comparing numbers. How do we compare 4 and 20 using multiplication? Let's find out together.
Multiplication helps us compare ages. Hint: learn those multiplication tables. They really help on problems like these.
You read that right! We're comparing the strength of Ron and Hermione using multiplication. Who said math has to be boring?
Rewrite multiplication equations as comparisons and comparisons as equations.
Select the equation that can be used to solve a word problem.