Pattern Rule
5, 10, 15, 20
Start add five. Add 5 each time
7, 14, 21, __, __, __
28, 35, 42,
100, 90, 80, __, __, __
70, 60, 50
2 4 6 8 10
6 8 10 12 ?
14
Number of days Number of laps
1 2
2 4
3 6
4 ?
How many laps will be run on the 4th day
8
7, 16, 25, 34
Start at 7. Add 9 each time
15, 30, 45, __, __, __
60, 75, 90
52, 50, 48, __, __, __
46, 44, 42
6 ? 14 18 22
12 20 28 ? 44
10, 36
Number of days Number of laps
1 2
2 4
3 6
4 8
10 ?
How many laps will be run on the 10th day
20
80, 75, 60, 45
Start at 80. Subtract 15 each time
83, 90, 97, __, __, __
104, 111, 118,
88, 76, 64, __, __, __
52, 40, 28
15 19 17 10 7
11 15 13 6 ?
3
Start at 2. Multiply by 3 each time
2, 4, 8, 16, __, __, __
32, 64, 128
160, 80, 40, __, __, __
20, 10, 5
3 6 9 12 ?
? 16 19 22 25
23, 15
1, 4, 16, 64, 256
Start at 1. Multiply by 4 each time
1, 3, 9, __, __, __
27, 81, 243
81, 27, 9, __, __,
3, 1
40 30 28 ? 14
20 15 14 10 ?
20, 7