mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2021

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 numbers in the red boxes.
+-= 5
÷ × ×
+-= 5
- ÷ ÷
+×= 10
=
-6
=
18
=
35

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

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

Archive

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