Animated numbers solve mathematical problems. Numberjack 1 tricks Numberjack 4, making the seesaw unbalanced. A boy has one sock and three shoes, but only two feet. Show more
Discover 11,128,835 listings and 280,507 playable programmes from the BBC
Animated numbers solve mathematical problems. Numberjack 1 tricks Numberjack 4, making the seesaw unbalanced. A boy has one sock and three shoes, but only two feet. Show more