Rumpelstiltskin is back! This time he's making mischief with his multiplying stick. Can Peter unlock the secret of the stick in time to save the kingdom? Whimsical illustrations bring fun to multiplying whole numbers and fractions.
Zero is lonely in Digitaria. He can't play Addemup with the other numbers, because he has nothing to add. Join Zero as he goes on a journey to discover his place.