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# Multiples, submultiples and The Rule of Three

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## Lina Marcela Gómez Quintero

on 16 July 2014

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#### Transcript of Multiples, submultiples and The Rule of Three

What is a multiple?

- Is 12 a multiple of 2?
- Is 13 a multiple of 3?
Activity 1: Searching
Homework 2: Search
Answer these questions in a table (they will be really helpful for you to understand the next functions):
Multiples and submultiples in the real life
Dimensional analysis
Length
Time
Mass
Multiples and submultiples in the real life
Sometimes, it's necessary to look for amounts in different problems, noticing those problems have linear relations.

So, first-order proportions (a.k.a. ratios) are an interesting and helpful way to find answer in those contexts.
Activity 1: Searching
Search on Internet (suggested searching engine: Google) about real-life situations which involve multiples and submultiples
In the ExercisesinClass file, create a new tab with today's date (20140715), and enter the information about your search (at least 5 references). Remember the filter
Multiples and submultiples
Thank you!
One number is a multiple of another number when the second number is in the first number, one or more times:

What is the Rule of Three?
How is it related to multiples and submultiples?
Use one of the problems we were solving in class the last week (see attached files), and try to solve it using the Rule of Three.
Is it similar to the first homework? Why?

What is a submultiple?
One number is a submultiple of another number when the first number is in the second number, one or more times:

- Is 3 a submultiple of 18?
- Is 5 a submultiple of 32?
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