Proof worksheets
Proof worksheets give students in Discrete Mathematics focused practice in proof. This page has 1 free printable sets, grouped by grade, and every set includes a computed answer key that is never wrong. Print them or save as a PDF, no login needed.
What's inside
- Which proof technique is the standard first choice for proving: "If n is an odd integer, then n² is odd."
- Which proof technique is the standard first choice for proving: "If 3n + 2 is odd, then n is odd."
- Which proof technique is the standard first choice for proving: "There are infinitely many prime numbers."
- Which proof technique is the standard first choice for proving: "For every integer n ≥ 1, 2^n ≥ n + 1."
- State the contrapositive of: "If n is even, then n² is even."
- State the converse of: "If x > 5, then x > 2."
Sample questions. Each set (A, B, C…) has fresh numbers and a computed answer key.
Discrete Mathematics Proof
Frequently asked questions
Are these proof worksheets free?
Yes. Every worksheet on ChalkBee is free to view and print or save as a PDF, with no login required, and the answer key is free too. Pro removes the watermark and adds differentiated sets, worksheet packs and unlimited custom generation.
Do the worksheets have answer keys?
Yes, free, on every sheet. The answers are computed in code from the exact questions on the page, and the key prints on a page of its own so the student sheet stays clean.
What grades do proof worksheets cover?
Proof worksheets on this page cover Discrete Mathematics. There are 1 printable sets in total, grouped by grade so you can pick the right level.
How do I print or download them?
Open any set, then use your browser's print option to print it or to save it as a PDF. The pages are laid out to print cleanly on standard letter or A4 paper.