MATHS - WEEK 1 LESSON 3: INTRODUCING THE RATIO SYMBOL



1) 2:3 = two to three =

5:2 = five to two =

2:5 = two to five =

3:2 = three to two =

2) Mo is correct because he got the numbers the right way around and Alex mixed them up.

3) 5:4

4:3

3:5

5:3

5:3:4

4a)There are more squares because Brett is saying there is 1 triangle to 3 squares and 3 is bigger.

4b)

5a) 1:3

5b) Ron is correct as there is the same amount of pencils to rulers as part a) and Dora is wrong because the pencils and rulers are in groups and Dora counted them together which is wrong.

6) There should be 10 chickens in a field of 4 horses.

7a)

7b)

7c)

8a) This represents white to dark chocolate.

8b) This represents milk to white chocolate.

8c) This represents dark to milk chocolate.