Ratio Revision 10 Point Flashcard

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, meaning they simplify to the same fraction.

Front

How do you find an unknown in a ratio?

Back

To find an unknown in a ratio, you can set up a proportion and cross-multiply to solve for the unknown.

Front

What is the value of t in the ratio 50 : t = 5 : 3?

Back

30

Front

What is the value of n in the ratio 18 : n = 6 : 5?

Back

15

Front

What is the value of t in the ratio 20 : 25 = t : 5?

Back

4

Front

Determine the value of z in the ratio 7 : 5 = z : 10?

Back

14

Front

What is the value of q in the ratio 5 : 20 = 1 : q?

Back

4

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two different parts of a whole, such as the ratio of boys to girls in a class.