mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2019

23 December

Arrange the digits 1-9 in a 3×3 square so the 3-digits numbers formed in the rows and columns are the types of numbers given at the ends of the rows and columns. The number in the first column is today's number.
a multiple of 4
a cube
a multiple of 3
today's numbera cubean odd number

Show answer

Tags: numbers, grids

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2025