Sentence Correction – 9
Foreign Phrases – 1
Sequences – 12
A couple of nice gif solutions can be found here
A playable form of the game where you can vary the number of discs and experiment for yourself can be found here:
Sequences – 11
Sequences – 10
Sequences – 9
Heidi
The Number Line Problem
Multiple Meanings – 11
CAT-holics 
