mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2020

3 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 largest number you can make with the digits in the red boxes.
÷-= 3
+ + ÷
÷×= 1
× - +
-×= 20
=
91
=
6
=
8

Show answer

Tags: numbers, grids

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2020

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2021