The lessons
Any lesson can be opened now, in any order. The plan recommends one; it does not lock the rest.
- 1 Entry checkpoint
- 2 Use factors, divisibility and remainders: retrieval
- 3 Choose evidence that strengthens the argument: retrieval
- 4 Sort tables and judge complete sets of claims: retrieval
- 5 Reconcile sources, denominators and decision constraints
- 6 Follow-up practice: reconcile sources, denominators and decision constraints
- 7 Evaluate plans, proxies and causal business claims
- 8 Follow-up practice: evaluate plans, proxies and causal business claims
- 9 Delayed checkpoint