mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2019

11 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 red digits.
+÷= 2
+ ÷ ÷
÷÷= 3
÷ - ÷
÷÷= 1
=
2
=
1
=
1

Show answer

Tags: grids, numbers

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020