Exercises: Finite and Infinite Sets

Work through each section in order. Give a reason where a problem asks for one.

Grade 7·17 problems·~30 min·Uganda NCDC Primary 7 Mathematics·lesson·sets-01

Work through problems with immediate feedback

Fluency Practice

Is the set of all even numbers $\{2, 4, 6, 8, \ldots\}$ finite or infinite?

Infinite — after any even number there is always a larger one, so the list never ends.

Finite — even numbers go up in steps of two.

Finite — there are exactly four elements shown.