Students notoriously struggle with division of fractions in 5 key areas. Hear what those 5 areas are and how recommendations address the limitations.
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Mathematical Explorations: Developing the Common Denominator Fraction Division Algorithm
classroom-ready activiti
Andrew M. Tyminski and James K. Dogbey
Division of fractions, a troublesome area for students, is looked at anew using a common denominator algorithm.
Math For Real:The Half-Lives of Medicines
when will I ever use this?
Alyssa Hoslar
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.
Diana L. Moss and Lisa Poling
Students explore the mathematics found in chocolate production.
Alfinio Flores and Melina D. Priewe
Students explore multiplicative comparisons and the meaning of remainders using their own concrete representations, including orange wedges.
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.
Redeem Reasoning
readers speak out
Kuo-Liang Chang
This opinion piece discusses how simplicity, ease, and efficiency—in the guise of shortcuts, tips, and packed procedures—kill mathematical reasoning.
Juli K. Dixon and Jennifer M. Tobias
Anticipate and address errors that arise when fractions are placed in context and illustrated with models.
Casey Hord and Samantha Marita
Support math conversations and teach students to approach various problem-solving tasks by encouraging the use of tables.
Natalya Vinogradova and Larry Blaine
The Maximum Chocolate Party game requires students to divide and compare fractions in a practical and concrete context.
