Illustrative Mathematics
Illustrative Mathematics: How Many Servings of Oatmeal?
This task provides a context for performing division of a whole number by a unit fraction. This problem is a "How many groups?'' example of division: the "groups'' in this case are the servings of oatmeal and the question is asking how...
Illustrative Mathematics
Illustrative Mathematics: Dividing by One Half
This task requires students to recognize both "number of groups unknown" (part (a)) and "group size unknown" (part (d)) division problems in the context of a whole number divided by a unit fraction. It also addresses a common...
Illustrative Mathematics
Illustrative Mathematics: 5.nf Banana Pudding
The purpose of this task is to provide students with a concrete situation they can model by dividing a whole number by a unit fraction. Aligns with 5.NF.B.7.
Better Lesson
Better Lesson: Fractions Pretest
Students take the fractions pretest in order to inform instruction.