mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2025

6 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.
+×= 20
+ × –
+×= 26
× ÷ +
×–= 28
=
32
=
2
=
11

Show answer

Tags: numbers, 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

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

Archive

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