Crux Mathematicorum Vol. 47, No. 1 « v46, n10 indexv47, n2 » January, 2021 PageContents 3 Editorial — Kseniya Garaschuk 4 MathemAttic: No. 21 4 Problems: MA101-MA105 6 Solutions: MA76-MA80 12 Problem Solving Vignettes: No. 14 — Shawn Godin 18 Explorations in Indigenous Mathematics: No. 1 — Edward Doolittle 25 Olympiad Corner: No. 389 25 Problems: OC511-OC515 27 Solutions: OC486-OC490 36 Focus On...: No. 44 — Michel Bataille 43 Problems: 4601-4610 48 Solutions: 4551-4560 Read the issue below Download this issue (PDF) Crux Mathematicorum