"Master subtraction, multiplication, division, fractions, decimals, percents, estimation, number patterns and problem solving."@en . . . . . "Software"@en . . "Mission 1 cosmic critter challenge"@en . . . . "Math blaster, ages 6-7"@en . . "Mission one"@en . "Juvenile works"@en . . . . . . . . "Cosmic critter challenge"@en . . .