Wednesday, 29 January 2014

9c1 - Set 28th Jan, in for 4th Feb

For the the following sequences, i) find the nth term, ii) use it to find the 100th term and iii) say whether the number 50 will appear in the sequence.

1) 2, 6, 10, 14...
2) 5, 8, 11, 14, 17...
3) 4, 10, 16, 22...
4) 7, 7, 7, 7, 7...
5) 1, 10, 19, 28...
6) -5, -10, -15, -20...

10c4 - Set on 28th Jan, in for 4th Feb

Ex 5E, questions 1 - 4 from here.

Monday, 13 January 2014

9c1, Set on Friday 10th, in on Friday 17th Jan.

Use Prime Factors to find the LCM of the following numbers:

1) 12 and 15
2) 20 and 24
3) 28 and 30
4) 18 and 32
5) 20, 24 and 30