A collection of puzzles and ideas that we find interesting.
0:23
Diagonal dilemma
Mathematical Puzzling
Shared 1 hour ago
5 views
1:09
Six weeks of seconds
Shared 1 week ago
48 views
0:36
Tidying the stock cupboard
Shared 2 weeks ago
46 views
7:39
Fleur's driving puzzle - solution
21 views
1:32
The fourth set - solution
45 views
1:16
The hindsight probability trap
Shared 3 weeks ago
90 views
1:10
The melon puzzle
0:39
Fleur's driving puzzle
Shared 1 month ago
96 views
2:06
16 counters puzzle - solution (part 2)
24 views
3:13
The American billion puzzle
67 views
4:36
The 24 game - solution
75 views
1:37
Consecutive sums
2:57
Birthday candles - solution
44 views
0:33
Cutting a cake
35 views
2:00
16 counters puzzle - solution (part 1)
29 views
1:55
The interrupted game
Shared 2 months ago
71 views
2:26
Black token white token - solution
37 views
1:24
Jack Reacher puzzle
105 views
7:40
Does Grace cheat in tests? - solution
55 views
1:39
The 24 game
51 views
7:57
The three coloured balls puzzle - solution
49 views
2:33
Triangular numbers, triangular words
52 views
1:07
Flipping fractions - explanation
211 views
0:27
Birthday candles
38 views
4:59
Newcomb's paradox
Shared 3 months ago
50 views
2:47
Recurring decimals (part 2) - explanation
27 views
1:51
Adding unit fractions - explanation
4:49
American birthdays - solution
40 views
Mathemagical equations
5:33
The forgotten formula - solution
57 views
3:57
The 8 Queens puzzle
73 views
10:16
Infinite descent - solution
4:10
Simultaneous sequences - solution
32 views
5:45
The Hardy-Ramanujan puzzle - solution
31 views
3:23
Dice game - solution - part 1
66 views
8:53
Dice game - solution - part 2
58 views
0:46
16 counters puzzle
34 views
0:29
Black token, white token
Shared 4 months ago
47 views
7:38
How to read someone's mind
89 views
2:21
1990 in Roman numerals
97 views
2:34
sock puzzle outtakes
69 views
0:58
The sock puzzle
78 views
1:12
Miles, kilometres, and Fibonacci
Shared 5 months ago
1:53
The three coloured balls problem
1:04
American birthdays
1:50
Students sometimes struggle...
81 views
1:34
The factors and multiples game
160 views
2:05
Finding the King of Hearts
115 views
1:40
A Fibonacci trick
Shared 6 months ago
62 views
5:55
Averages from a Grouped Frequency Table
4:24
Venn Diagrams (puzzle type)
15 views
8:19
Venn Diagrams (set notation)
20 views
3:59
Two-way Tables
12 views
Dice game
84 views
6:27
Spheres
14 views
2:03
Pressure
3:02
Density
17 views
3:25
Unit Conversion
13 views
0:41
Inequalities (simple)
2:14
Reverse Percentages
36 views
Mathematical Puzzling
Mathematical Puzzling
