Tatjana Hodnik Čadež, Vida Manfreda Kolar, How fifth-grade pupils reason about fractions: a reliance on part-whole subconstructs, Educational Studies in Mathematics, Vol. 99, No. 3 (November 2018), pp ...

When Bill Horkan, a talented teacher I know, thinks about the national debate over how to improve math instruction, he imagines getting students ready for algebra as early as first grade. “Some ...