mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2020

9 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.
+×= 54
× + ÷
-÷= 1
÷ - ×
+-= 6
=
18
=
6
=
18

Show answer

Tags: numbers, grids

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024