Volume
Grade 8 · Unit 14
Volume of Spheres
Why 4/3 πr³ holds
Curriculum standard — Create stage of the Thinking Ladder
Mastery evidence
Not startedEvidence count
0
Independent success
60%
Transfer
Pending
Retention
Pending
Mastery is earned through independent success, transfer to new contexts, and retention over time — not a single correct answer.
View mode
In the Student view, mastery is shown as evidence accumulated — independent success, transfer, and retention. Mark this topic mastered only when the evidence supports it.
Three pathways, one topic