Division of fractions, a troublesome area for students, is looked at anew using a common denominator algorithm.
Andrew M. Tyminski and James K. Dogbey
when will I ever use this?
Calculating a half-life, the approximate time it takes for the body to remove one-half the active ingredient in a medicine, provides the real-life tie-in to this activity.
Janet Sharp and Rachael M. Welder
Students notoriously struggle with division of fractions in 5 key areas. Hear what those 5 areas are and how recommendations address the limitations.
Diana L. Moss and Lisa Poling
Students explore the mathematics found in chocolate production.
readers speak out
This opinion piece discusses how simplicity, ease, and efficiency—in the guise of shortcuts, tips, and packed procedures—kill mathematical reasoning.
Debra I. Johanning and James D. Mamer
Developing number and operation sense associated with fraction division is viewed from multiple perspectives: modeling, equivalence, and symbolism.
Alfinio Flores and Melina D. Priewe
Students explore multiplicative comparisons and the meaning of remainders using their own concrete representations, including orange wedges.
Kami M. Dupree
Abandon mnemonics and make stronger connections between the operations and properties of arithmetic.
Natalya Vinogradova and Larry Blaine
The Maximum Chocolate Party game requires students to divide and compare fractions in a practical and concrete context.
Casey Hord and Samantha Marita
Support math conversations and teach students to approach various problem-solving tasks by encouraging the use of tables.