What Comes Next?

Spot the rule, then find the missing number

 
Look for the rule, then work out what comes next. You are a pattern detective!

Going up by 1

5
6
7
?

Going up by 2

2
4
6
?

Going down by 1

10
9
8
?
To find what comes next: work out the rule (adding 1? adding 2? going down?), then follow it. Up by 1: 8. Up by 2: 8. Down by 1: 7.