MMetric multibase mathematicsMetric multibase mathematicsde Mary LaycockMateriasArithmeticMathematicsProblems, exercisesEdiciones (1)Metric multibase mathematics (1974)Activity Resources Co. · inglésMás obras de Mary LaycockTThe Correlation of Activity-Centered Science and MathematicsThe Correlation of Activity-Centered Science and MathematicsWWeaving Your Way from Arithmetic to Mathematics with ManipulWeaving Your Way from Arithmetic to Mathematics with ManipulativesBBucky for Beginners
TThe Correlation of Activity-Centered Science and MathematicsThe Correlation of Activity-Centered Science and Mathematics
WWeaving Your Way from Arithmetic to Mathematics with ManipulWeaving Your Way from Arithmetic to Mathematics with Manipulatives