mscroggs.co.uk
mscroggs.co.uk
blog     puzzles     academic     talks     contact     subscribe↓ ☰ ↓

subscribe

Puzzles

MathsJam

Source: @samholloway on Twitter
Maths Jam is always held on the second-to-last Tuesday of the month. This month, it will be held on the 17th. What is the earliest date in the month on which Maths Jam can fall and when will this next happen?

Show answer & extension

Tags: dates
If you enjoyed this puzzle, check out Sunday Afternoon Maths XVII,
puzzles about dates, or a random puzzle.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022
List of all puzzles

Tags

ave parabolas cubics cube numbers star numbers neighbours clocks chess hexagons menace division even numbers multiples binary graphs crossnumbers surds polynomials chalkdust crossnumber palindromes polygons prime factors dice remainders arrows percentages balancing lists tiling area regular shapes calculus quadratics partitions crosswords games median cryptic crossnumbers unit fractions spheres quadrilaterals sets geometric mean factorials multiplication combinatorics square grids numbers gerrymandering algebra square roots triangles circles digital products colouring powers means tangents addition triangle numbers money pentagons pascal's triangle planes taxicab geometry digital clocks dodecagons integration the only crossnumber folding tube maps functions proportion sums odd numbers ellipses 2d shapes elections mean sequences complex numbers lines geometric means coins square numbers integers albgebra products grids chocolate symmetry matrices perimeter geometry dominos 3d shapes speed sum to infinity coordinates number prime numbers averages logic angles sport wordplay multiplaction squares trigonometry perfect numbers books volume floors range determinants indices tournaments cryptic clues digits medians consecutive numbers dates xor rugby bases expansions scales rectangles consecutive integers christmas factors doubling shape fractions cards probabilty irreducible numbers differentiation routes time decahedra people maths squares advent shapes probability axes

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026