Ratios

We  have been learning about ratios.

To solve ratios you need to figure out how many of each thing there are. Then you have to simplify it by finding the greatest common factor here are.

Find the ratio of these images. Find the simplified ratio as well.

THE FIRST ONE HAS BEEN DONE FOR YOU.

Picture	Ratio	Simplified Ratio
	15:6	Cannot be simplified
	2:12	1:6
	5:9	Cannot be simplified
	8:5	Cannot be simplified
	12:8	2:2
	15:4	Cannot be simplified
	5:11	Cannot be simplified
	12:2	6:1
	4:11	Cannot be simplified
	11:6	Cannot be simplified
	12:9	Cannot be simplified
	11:2	Cannot be simplified

Find the ratio of these images. Find the simplified ratio as well.

THE FIRST ONE HAS BEEN DONE FOR YOU.

Picture	Ratio	Simplified Ratio
	15:7	Cannot be simplified
	6:6	3:3
	6:9	2:3
	4:15	Cannot be simplified
	11:7	Cannot be simplified
	3:12	1:3
	2:10	1:5
	14:3	Cannot be simplified
	4:12	1:3
	4:3	Cannot be simplified
	8:3	Cannot be simplified
	13:14	Cannot be simplified

	11:7	Cannot be simplified
	3:12	1:3
	2:10	1:5
	14:3	Cannot be simplified
	4:12	1:3
	4:3	Cannot be simplified
	8:3	Cannot be simplified
	13:14	Cannot be simplified

Now try these word problems

Question	Answer
At the store the ratio of books sold to movies sold was 3:6. For every _____ books sold there were _____ movies sold.	1:2
A pencil company used 60 grams of rubber to make 10 pencils, which is a ratio of 6 grams per pencil.	6:1
An industrial machine is able to make 9 pens in 3 seconds. What is the ratio made per second?	3:1
Oliver earned $12 for mowing 3 lawns. What is the ratio earned per lawn mowed?	4:1