mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2016

4 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 digits in the red boxes.
+÷= 2
+ ÷ -
÷-= 5
÷ - ×
-×= 4
=
3
=
5
=
6
Tags: grids, numbers

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

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

Archive

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