Sets
Describing sets by listing and by a rule, number sets ℕ, ℤ, ℚ, ℝ, subsets and equal sets, intersection, union, difference, complement and Venn diagrams with two and three sets.
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Available exercises
Describing a set
Turn a set given in set-builder notation into a list of its elements, and the other way round.
Number sets ℕ, ℤ, ℚ, ℝ
Decide which number sets a number belongs to.
Subsets and equal sets
Decide whether one set is a subset of the other or whether the sets are equal.
Intersection, union, difference and complement
Find the elements of the intersection, union, difference and complement of sets.
Venn diagrams with two sets
Shade sets in a Venn diagram and solve word problems about two sets.
Venn diagrams with three sets
Shade sets, read numbers from a diagram and solve word problems about three sets.