Middle-School (grades 5 through 9) math program written to provide skills in context. Students manipulate weights on two balance beams to solve two simultaneous equations.
Middle-School (grades 5 through 9) math program written to provide skills in context. Students locate points on a number line. Problems deal with fractions, decimals, square roots, and/or absolute values.
Middle-School (grades 5 through 9) math program written to provide skills in context. Students use mental math and proportional thinking to find common percentages (10% 5% 1% 15%, etc.) of a given number.
Middle-School (grades 5 through 9) math program written to provide skills in context. Students use hints to find what fraction of a pizza was eaten by each of five party-goers. Sample hints: "Judy had 2/5 of a pizza. Bill ate twice as much pizza as Judy."
Middle-School (grades 5 through 9) math program written to provide skills in context. Students calculate the probability of three different types of outcomes on a slot machine: three apples, at least one apple, or no apples.
Middle-School (grades 5 through 9) math program written to provide skills in context. Given the English language version of a number (e.g. one thousand sixty-five and nine tenths) students must type in the numeral (e.g. 1065.9).
Prime sprial plotting software for square (Ulam) and related polygon prime number spirals. Allows multiple prime generating quadratic equations to be displayed simultaneously. Plot data and image files can be saved to disk for further analysis. Demo version is limited to prime spirals based on the square and up to two prime generating quadratic equations.