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

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

Archive

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