Name: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A1
Y5
Sheet 1
Number Sequences
To find the rule that links the numbers study the gaps.
Examples –4
–1
2
5
8 The rule is ‘add 3’ .
52 47 42 37 32 The rule is ‘subtract 5’ .
Complete the first seven numbers in each sequence.
Rule
Start at
+6
42
48
54
1
–11
93
2
+1
–4
3
–0.2
1.8
4
+25
10
5
–5
0
6
+0.4
1.1
7
–99
800
8
Complete the sequences by filling in the boxes.
15
30
45
60
9
8
6
4
2
10
64
72
80
88
11
4.5
4.0
3.5
3.0
12
261
362
463
564
13
510
460
410
360
14
–12
–9
–6
–3
15
108
120
132
144
16