mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2018

9 December

Today's number is the number of numbers between 10 and 1,000 that contain no 0, 1, 2 or 3.

Show answer

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

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

Archive

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