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

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

Archive

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