mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2024

16 December

Put the digits 1 to 9 (using each digit exactly once) in the boxes so that the sums are correct. The sums should be read left to right and top to bottom ignoring the usual order of operations. For example, 4+3×2 is 14, not 10. Today's number is the product of the numbers in the red boxes.
×+= 46
÷ + +
+÷= 1
÷ × ×
÷= 1
=
1
=
12
=
45

Show answer

Tags: number, grids

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

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

Archive

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