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Archive

Show me a Random Puzzle
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 2017 

Turning Squares
Elastic Numbers
Square Pairs

Factorial Pattern
Placing Plates
 2016 

Advent Calendar 2016

1 December
2 December
3 December
4 December
5 December
6 December
7 December
8 December
9 December
10 December
11 December
12 December
13 December
14 December
15 December
16 December
17 December
18 December
19 December
20 December
21 December
22 December
23 December
24 December
25 December

Largest Odd Factors
Square Factorials

An Arm and a Leg
Blackboard Sums II

Powerful Quadratics
Two Tangents
Blackboard Sums

Hat Check
Combining Multiples
Cross Diagonal Cover Problem

Lots of Ones
An Integral

Subsum
More Doubling Cribbage

Doubling Cribbage
Two Semicircles
What is the Sum

Between Quadratics
 2015 

Advent Calendar 2015

1 December
2 December
3 December
4 December
5 December
6 December
7 December
8 December
9 December
10 December
11 December
12 December
13 December
14 December
15 December
16 December
17 December
18 December
19 December
20 December
21 December
22 December
23 December
24 December

Santa
Shooting Hoops
The Self Referential Crossword

Sunday Afternoon Maths VLIII

Cutting Corners
Rugby Scores
Quarter Circle

Sunday Afternoon Maths VLII

Shinro

Sunday Afternoon Maths VLI

Dice Maze

Sunday Afternoon Maths VL

Integer Part
Make the Sums

Sunday Afternoon Maths XLIV

Rotating Round Table
Balanced Sets
121

Sunday Afternoon Maths XLIII

Ticking Clock
One Two Three
Coloured Pins
Fill in the digits

Sunday Afternoon Maths XLII

The Taxman

Sunday Afternoon Maths XLI

Squared Circle
Polygraph

Sunday Afternoon Maths XL

The Sixth Cent
One Hundred Factorial
Two Triangles

Sunday Afternoon Maths XXXIX

Dodexagon

Sunday Afternoon Maths XXXVIII

Products and Sums of Squares
Equal Side and Angle
Arctan

Sunday Afternoon Maths XXXVII

A Bit of Spanish
 2014 

Sunday Afternoon Maths XXXVI

Square Deal

Sunday Afternoon Maths XXXV

Odd Squares
Half an Equilateral Triangle
Marbles
37

Sunday Afternoon Maths XXXIV

Find Them All
Four Points on a Shape
Algebraic Fractions
Four Integers
Sum

Sunday Afternoon Maths XXXIII

Fair Dice
Half Digits
Pizza

Sunday Afternoon Maths XXXII

Frogs
The Blue-Eyed Sisters
1089

Sunday Afternoon Maths XXXI

Integrals
Tetrahedral Die

Sunday Afternoon Maths XXX

No Change
Dirty Work
Square in a Triangle

Sunday Afternoon Maths XXIX

Double Derivative
Equal Opportunity
Three Squares

Sunday Afternoon Maths XXVIII

The Ace of Spades
3n+1
2009

Sunday Afternoon Maths XXVII

Sine
Triangles Between Squares

Sunday Afternoon Maths XXVI

Odd and Even Outputs
Twenty-One

Sunday Afternoon Maths XXV

Polya Strikes Out
Whist

Sunday Afternoon Maths XXIV

Exact Change
Square Cross

Sunday Afternoon Maths XXIII

Ten Digit Number
Mrs. Coldcream Objected
Cooked Turkey
Let the Passenger Train Through!

Sunday Afternoon Maths XXII

Overlapping Triangles
Coming and Going

Sunday Afternoon Maths XXI

Wool Circles
Sum Equals Product

Sunday Afternoon Maths XX

Bézier Curve
Folding A4 Paper

Sunday Afternoon Maths XIX

Multiples of Three
Dartboard

Sunday Afternoon Maths XVIII

Seven Digits
Parabola

Sunday Afternoon Maths XVII

Differentiate This
Square Numbers
N
Maths Jam

Sunday Afternoon Maths XVI

Pocket Money
Always a Multiple?

Sunday Afternoon Maths XV

Tennis
The Mutilated Chessboard
Cycling Digits
Grand Piano

Sunday Afternoon Maths XIV

Superdog
Eight Peas

Sunday Afternoon Maths XIII

Times Roamin'
Mean, Median, Mode, Range

Sunday Afternoon Maths XII

Unit Octagon
Largest Triangle
Circles

Sunday Afternoon Maths XI

Semi Circle in a Triangle
Light Work

Sunday Afternoon Maths X

Lights
Princess Problem
Three Digit Numbers

Sunday Afternoon Maths IX

Multiple Sums
Downing Street
Chessboard Squares
Equal Areas

Sunday Afternoon Maths VIII

Rebounds
Complex Squares
Adding Bases
Reverse Bases Again
Two

Sunday Afternoon Maths VII

Reverse Bases
Ninety Nine

Sunday Afternoon Maths VI

Triangle Numbers
Ellipses

Sunday Afternoon Maths V

Folding Tube Maps
x to the Power of x Again
Odd Sums
Two lines

Sunday Afternoon Maths IV

x to the Power of x
i to the Power of i
Arccos + Arcsin

Sunday Afternoon Maths III

Twenty
Colliding Parallel People

Sunday Afternoon Maths II

Guess the Diagonal

Sunday Afternoon Maths I

8! Minutes
Pyramid and Tetrahedron
Circles
Pole Position
Burning Ropes
© Matthew Scroggs 2017