The BUNDLE download includes:10 Subtracting Means Jump To The Left videos [mp4 video files]-1 (1-1=0, 2-1=1, 3-1=2, 4-1=3, 5-1=4)-2 (2-2=0, 3-2=1, 4-2=2, 5-2=3, 6-2=4)-3 (3-3=0, 4-3=1, 5-3=2, 6-3=3, 7-3=4)-4 (4-4=0, 5-4=1, 6-4=2, 7-4=3, 8-4=4)-5 (5-5=0, 6-5=1, 7-5=2, 8-5=3, 9-5=4)5- (5-1=4, 5-2=3, 5-3=2, 5-4=1, 5-5=0)6- (6-1=5, 6-2=4, 6-3=3, 6-4=2, 6-5=1)7- (7-1=6, 7-2=5, 7-3=4, 7-4=3, 7-5=2)8- (8-1=7, 8-2=6, 8-3=5, 8-4=4, 8-5=3)9- (9-1=8, 9-2=7, 9-3=6, 9-4=5, 9-5=4)16 Subtracting Means Jump To