mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2018

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 product of the numbers in the red boxes.
++= 11
- + ×
+-= 11
- - -
++= 11
=
-11
=
11
=
11

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

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

Archive

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