Solve problems using knowledge of factors and multiples, eg 'There are 48 people at a party. In how many ways can you set up the tables and chairs, so that each table seats the same number of people and there are no empty chairs?'

1. Number Detectives: a+b=14, axb=49
2. Number Detectives: a-b=0, axb=9
3. Number Detectives: a+b=9, axb=14
4. Number Detectives: a+b=21 Highest value for axb?
5. Number Detectives: a+b=18, ab=81
6. Number Detectives: a+b=16, ab=63
7. Number Detectives: a+b=30, ab=144
8. Number Detectives: a+b=20, ab=64
9. Number Detectives: a+b=30, ab=125
10. Number Detectives: a+b=27, ab=50
11. Number Detectives: a+b=17, Highest value of ab?
12. Number Detectives: Prime#a+prime#b = 45
13. Number Detectives: a+b=14, ab=45
14. Number Detectives: a+b=53 ab=150
15. Number Detectives: a+b=13, ab=40
16. Number Detectives: a+b=12 ab=36
17. Number Detectives: a+b=25 HIghest value of product?
18. Number Detectives: a+b=13 Highest value of product?
19. Number Detectives: a+b=19 Highest value of product?
20. Number Detectives: Sum of 4 consecutive odd nos = 32
21. Number Detectives: Sum of 4 consecutive even nos = 100
22. Number Detectives: ab = 150 b-a = 5
23. Number detectives
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28. Number detectives: Language of division (Divisor, dividend, quotient)
29. Fishy Business 1 - calculate time of concurrent events