Finding the nth term
In each question there are four terms of a sequence of numbers:
a) Write down the rule using n to represent the nth term.
b) Find the 10th and 15th terms.
Term
1
2
3
4
Sequence
1
4
7
10
Term
1
2
3
4
Sequence
1
3
5
7
Term
1
2
3
4
Sequence
1
4
7
10
Term
1
2
3
4
Sequence
8
13
18
23
Term
1
2
3
4
Sequence
9
13
17
21
Term
1
2
3
4
Sequence
6
9
12
15
Term
1
2
3
4
Sequence
1
3
5
7
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Term
1
2
3
4
Sequence
3
7
11
15
Term
1
2
3
4
Sequence
7
10
13
16
Term
1
2
3
4
Sequence
1
6
11
16
Term
1
2
3
4
Sequence
7
11
15
19
Term
1
2
3
4
Sequence
3
8
13
18
Term
1
2
3
4
Sequence
0
4
8
12
Term
1
2
3
4
Sequence
5
11
17
23
Term
1
2
3
4
Sequence
6
11
16
21
Term
1
2
3
4
Sequence
8
14
20
26
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Term
1
2
3
4
Sequence
29
28
27
26
Term
1
2
3
4
Sequence
0
3
6
9
Term
1
2
3
4
Sequence
9
14
19
24
Term
1
2
3
4
Sequence
48
46
44
42
Nth
10
15
Nth
10
15
Nth
10
15
Nth
10
15
Extension
The following sequences are quadratic; by completing independent research using MyMaths and
Bitesize can you complete the following tables.
Term
1
2
3
4
Sequence
5
8
13
20
Term
1
2
3
4
Sequence
3
8
15
24
Term
1
2
3
4
Sequence
6
12
20
30
Nth
10
15
Nth
10
15
Nth
10
15