What Is a Ratio?
Grade 6 Mathematics Understanding Ratios Together - Lesson 1
I Can Statements for Today
I can define a ratio as a comparison of two quantities I can write ratios using different formats (a to b, a:b, and as a fraction) I can identify ratios from visual representations
Think About This...
If I have 3 red apples and 2 green apples, how can we compare how many apples of each color I have?
What Is a Ratio?
A ratio is a way to compare two quantities by showing how many times one value contains or is contained within the other.
Three Ways to Write Ratios
Using the word 'to': 4 to 6 Using a colon: 4:6 As a fraction: 4/6 All three formats mean the same thing!
Let's Practice Together!
Look at the visual examples Work with your partner Write ratios in all three formats Be ready to share your answers
Success Criteria Check
{"left":"I can explain in my own words what a ratio is\nI can correctly write a ratio comparing two quantities","right":"I can select the correct ratio that matches a visual model"}
Exit Ticket Time!
Look at the picture with 3 yellow stars and 5 red stars Circle the correct ratio from the choices given Remember: order matters! Turn in your ticket before you leave