The California Frog-Jumping Contest: Algebra is one of five units in the Contexts for Learning Mathematics Investigating Fractions, Decimals, and Percents (46) This unit uses the context of the famous short story by Mark TwainThe Celebrated Jumping Frog of Calaveras Countyto develop equivalence and its use in solving algebraic problems. The context of a frog jumping along a track is used to foster number line representations...