Adding and subtracting fractions (stories)
Unlike mixed numbers with renaming, now inside stories that need two operations. Students handle unlike denominators and mixed-number regrouping, and draw part–whole, comparison, and remainder bar models — the remainder model drawn correctly before any arithmetic.
Specification · for a parent or teacher
- fraction-add-sub-5
- Advanced Math 5 · Unit 7
- Foundations
- 3 of 4 — Grade 6–7 core. Multi-step, first symbolic work.
- 3 items
Students can
unlike denominators; mixed-number regrouping; part–whole, comparison, and remainder bar models.
Ready when
a remainder-model story is drawn correctly before any arithmetic.
Watch for
remainder-model (“after left, of the remainder…”) drawn as of the original.