1. Owns a
Cell Phone 13 6
13 students______________

2. Owns a
Cell Phone 13 6
6 students______________

3. Owns a
Cell Phone 13 6
27 students______________

4. 13 6 Why don’t the numbers add up to 50? Owns a Cell Phone 50-46 = 4
4 students have neither.
Why don’t the numbers add up to 50?

5. Cell Phone
No Cell Phone
Total
MP3
Player 27 6
No MP3 Player 13 50 13 6

6. Cell Phone
No Cell Phone
Total
MP3
Player 27 6
27+6=33
No MP3 Player 13 50 13 6

7. Cell Phone
No Cell Phone
Total
MP3
Player 27 6 33
No MP3 Player 13
50-33 =17 50 13 6

8. Cell Phone
No Cell Phone
Total
MP3
Player 27 6 33
No MP3 Player 13
17-13 =4 17 50 13 6

9. Cell Phone
No Cell Phone
Total
MP3
Player 27 6 33
No MP3 Player 13
17-13 =4 17 50 13 6

10. Cell Phone
No Cell Phone
Total
MP3
Player 27 6 33
No MP3 Player 13 4 17
27+13=40
6+4 =10 50 13 6

11. Cell Phone
No Cell Phone
Total
MP3
Player 27 6 33
No MP3 Player 13 4 17 40 10 50 13 6

12. Rewrite this Venn diagram as
a two way table. 3 11

13. Rewrite this Venn diagram as
a two way table. 38 21
Dog
No Dog
Total
Cat
No Cat

14. Rewrite this Venn diagram as
ANSWERS!
Rewrite this Venn diagram as
a two way table. 38 21
Dog
No Dog
Total
Cat 10 21 31
No Cat 38 11 49 48 32 80

15. Emma has collected information about the cats and dogs that children in her class have as pets.
There are 30 pupils. There are 4 possible responses:
Has a cat and a dog. Has a cat but not a dog.
Has a dog but not a cat Does not have a cat or a dog.

16. When Emma has entered some of her data, the table looks like this: .
Has a dog
Does not have a dog
Total
Has a cat 8 4
Does not have a cat 12 12 6 18 20 10 30
Emma has missed one box, but we know that there are 30 pupils in her class. How do we complete the table?

17. 6 20 12 24 Has a dog Does not have a dog Total Has a cat 8 4 12 12 6
12 
Does not have a cat 12 6
 18
 20
 10
30 
(a) How many pupils do not have a cat or a dog?
(b) How many pupils have a dog?
(c) How many pupils have a cat?
(d) How many children have at least one of these pets?  6 20 12 24

18. There are 7 students that do not own a cell phone,
but own an MP3 player.
Cell Phone
No Cell Phone
Total
MP3 Player
No MP3 Player

19. Of the 12 students that receive no allowance,
A survey was conducted to see if students get an allowance and if they have to do household chores.
Of the 12 students that receive no allowance,
5 of them have no chores.
There are 17 students who do chores and receive an allowance, while 6 students get an allowance without doing any chores.

20. Dog
No Dog
Total
Cat
No Cat
15 students

21. ANSWERS!
Dog
No Dog
Total
Cat 4 6 10
No Cat 3 2 5 7 8 15
15 students