Three lessons on division for grade 4 are presented, the first using manipulative materials; the second, the computer; and the third, the calculator. Advantages and disadvantages of each are discussed. (MNS)

The author discusses changes in the mathematics curriculum enabled by the use of calculators and computers. The need to eliminate long division and change how we teach other mathematical concepts is stressed. (MNS)

An enrichment program emphasizing activities with calculators and computers for mathematically advanced children is discussed. How the program was implemented in grades three - six and in grades one - two is described in some detail. A schedule of activities and a list of resources is also given. (MNS)