Read labels before doing arithmetic
Most graph errors come from the wrong axis, unit, category, or denominator.
6 guided questions, then 10 independent · One Variable DataInterpret data carefully
Statistics, probability and claims
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One step at a time
Checking a task records your daily activity. Skill mastery is recorded separately after practice.
Your lessons and practice
Choose the right denominator
A conditional probability limits the group you are counting. The denominator must match the stated condition.
4 guided questions, then 10 independent · ProbabilityFocused drills
Finish the lesson first, then use a fresh set to check that you can apply it independently.