1. Expressing as a Ratio – Bingo Method
Students should choose nine answers from the grid and place them
randomly into a 3x3 square in their book.
You may want to pause your display and choose questions
according to difficulty during the game.
Depending on time, students could win with
a line, an X, or a ‘full house’ (all).

2. Printing To print handouts from slides -
Select the slide from the left. Then click:
File > Print > ‘Print Current Slide’
To print multiple slides -
Click on a section title to highlight all those slides,
or press ‘Ctrl’ at the same time as selecting slides to
highlight more than one. Then click:
File > Print > ‘Print Selection’
To print double-sided handouts -
Highlight both slides before using ‘Print Selection’.
Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

3. BINGO! 45 54 23 82 37 12 76 25 91
Expressing
as a Ratio

4. Choose your numbers… 3 : 5 3 : 2 1 : 5 7 : 12 11 : 8 4 : 5 1 : 4 : 7
7 : 12 : 2
9 : 13
1 : 4
11 : 9
7 : 8 : 18
4 : 9
10 : 3 : 17
1 : 15
3 : 4
Draw a 3x3 grid in your book.

5. 18 : 26 9 : 13 ÷ 2 ÷ 2 Jenny & Jerry share some sweets.
Jenny gets 18 & Jerry gets 26.
Express this as a ratio in its simplest form.
18 : 26
÷ 2
÷ 2
9 : 13

6. 16 : 36 4 : 9 ÷ 4 ÷ 4 Pete & Paul robbed a bank!
Pete got $16 & Paul got $36.
Express this as a ratio in its simplest form.
16 : 36
÷ 4
÷ 4
4 : 9

7. 12 : 15 4 : 5 ÷ 3 ÷ 3 May is 12 years old & Mary is 15 years old.
Express this as a ratio in its simplest form.
12 : 15
÷ 3
÷ 3
4 : 5

8. A chef has 4 boxes of eggs. Each box holds 6 eggs.
Write a ratio for the number of eggs in 3 boxes,
to the total number of eggs.
18 : 24
÷ 6
÷ 6
3 : 4

9. 22 : 16 11 : 8 ÷ 2 ÷ 2 Hannah & Harry share some sweets.
Hannah gets 22 & Harry gets 16.
Express this as a ratio in its simplest form.
22 : 16
÷ 2
÷ 2
11 : 8

10. Express this as a ratio in its simplest form.
John & Joe robbed a bank!
John got $33 & Joe got $27.
Express this as a ratio in its simplest form.
33 : 27
÷ 3
÷ 3
11 : 9

11. Anna is 14 years old, Mike is 16 years old and
Joe is 36 years old.
Express this as a ratio in its simplest form.
14 : 16 : 36
÷ 2
÷ 2
7 : : 18

12. A chef has 10 boxes of eggs. Each box holds 6 eggs.
Write a ratio for the number of eggs in 2 boxes,
to the total number of eggs.
12 : 60
÷ 12
÷ 12
1 : 5

13. 8 : 32 1 : 4 ÷ 8 ÷ 8 Max and Matthew share some sweets.
Max gets 8 & Matthew gets 32.
Express this as a ratio in its simplest form.
8 : 32
÷ 8
÷ 8
1 : 4

14. 28 : 48 : 8 7 : 12 : 2 ÷ 4 ÷ 4 Tom, Tim & Ted robbed a bank!
Tom got $28, Tim got $46 & Ted got $8.
Express this as a ratio in its simplest form.
28 : 48 : 8
÷ 4
÷ 4
7 : 12 : 2

15. Jane is 14 years old & her brother Mike is 24 years old
Jane is 14 years old & her brother Mike is 24 years old. Express this as a ratio in its simplest form.
14 : 24
÷ 2
÷ 2
7 : 12

16. A chef has 30 boxes of eggs. Each box holds 6 eggs.
Write a ratio for the number of eggs in 2 boxes,
to the total number of eggs.
12 : 180
÷ 12
÷ 12
1 : 15

17. Express this as a ratio in its simplest form.
Bill & Bob robbed a bank!
Bill got $45 & Bob got $30.
Express this as a ratio in its simplest form.
45 : 30
÷ 15
÷ 15
3 : 2

18. Ruth is 9 years old, Richard is 36 years old &
Ruby is 63 years old.
Express this as a ratio in its simplest form.
9 : 36 : 63
÷ 9
÷ 9
1 : : 7

19. A chef has 5 boxes of eggs. Each box holds 6 eggs.
Write a ratio for the number of eggs in 3 boxes,
to the total number of eggs.
18 : 30
÷ 6
÷ 6
3 : 5

20. 20 : 6 : 34 10 : 3 : 17 ÷ 2 ÷ 2 Fran, Dan & Pam share some sweets.
Fran gets 20, Dan gets 6 & Pam gets 34.
Express this as a ratio in its simplest form.
20 : 6 : 34
÷ 2
÷ 2
10 : 3 : 17

22. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!?
Any feedback would be appreciated .
Please feel free to