Ratios Flashcards
What is a ratio?
A comparison of two numbers by division
A ratio is looking at the ________ between two numbers by division.
relationship
Using a fraction in a certain way is called a ______
ratio
Ratios are just ________ used in a certain way.
fractions
Why do we use ratios?
They help us to describe things in the real world.
Why, mathematically, are the ratio and fraction 1/2 the same thing?
They are the division problem 1 divided by 2.
Why do we treat fractions as a single number?
It is describing 1 thing - just parts of it.
Why are the numbers in a ratio treated as 2 different numbers?
Because they are referring to 2 different things and not parts of the same 1 thing.
In math, since ratios and fractions are used differently, how are they shown differently?
Instead of seeing 1/2 you might see 1:2
If you saw 1:2 what does it mean?
It means 1 to 2 OR it could mean 1 per 2. It is telling us the relationship between the numbers.
What is the ratio for this image?
11:6 (11 oranges to 6 green apples).