Welcome

Level 2

What we are doing this week… Using ratio

How is ratio written? 4 : 1 This ratio has 5 parts altogether as 4 + 1 = 5. This will be important a bit later on!

Which can be simplified to: Simplifying Ratios The ratio of blue to yellow blocks is blue : yellow = 4 : 2 Which can be simplified to: 4 : 2 ÷2 ÷2 2 : 1

Share €10 between Mandy and Lara in the ratio 3 : 2 Number of equal parts = 3 + 2 = 5 2 2 2 2 2 2 2 2 2 2 Amount in 1 part = 10 ÷ 5 = € 2 Mandy gets = € 2  3 = € 6 Lara gets = € 2  2 = € 4

Number of equal parts = 4 + 3 = 7 A 35 ml orange drink is made by mixing orange juice and water in the ratio 4 : 3. Number of equal parts = 4 + 3 = 7 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Amount in 1 part = 35 ÷ 7 = 5 ml Orange Juice = 5  4 = 20 ml Water = 5  3 = 15 ml

Share £120 in the given ratios Sharing ratio Share £120 in the given ratios Extensions Calculate the fractional proportion each ratio part is Calculate the percentage proportion each ratio part is

Applying skills Apply a technique you feel most comfortable with to answer questions. To get good at maths you must do maths!!

Can you apply skills to find ratio parts? Back to targets Can you apply skills to find ratio parts?