Highlight all of the composite numbers. Start highlighting all of the multiples of 2 (excluding number 2, itself) by pulling down the yellow dot above a number. Continue with all of the multiples of numbers 3 though 10.
In the end, the numbers that are not highlighted are primes (except for number 1).
BasicStudents matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient)Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
AdvancedStudents matched to this level are ready for material that requires superior performance and mastery.