Puzzle Games
The Proof! tabletop card game is the inspiration behind our online game, the Weekly Challenge Math Puzzles. Each week we post a new set of nine cards that hides a challenging equation. This is a hand-picked selection of our trickier math puzzles that might involve some out-of-the-box thinking. Or see all of our math puzzles here.
JAN 29 2018
5
Find a Triplet of 7's
Using At Least 7 Cards
FEB 12 2018
7
Find Any Triplet of
Fractions
FEB 26 2018
9
Find Any Pair
Greater Than
MAR 26 2018
13
Find Any Pair Using All
9 Cards
APR 02 2018
14
Find Any Quadruplet
APR 09 2018
15
Find Any Triplet Less Than
0
APR 23 2018
17
Find a Quadruplet of 1's
APR 30 2018
18
Find Any Pair Using At
Least 3 Square Roots
MAY 14 2018
20
Find a Pair of 2/3's
MAY 21 2018
21
Find 10 Different Quadruplets
Less Than 10
JUN 04 2018
23
Find Any Quintuplet
JUL 16 2018
29
Find a Pair of 1000's
AUG 20 2018
34
Find a Pair of 667/1271's
AUG 27 2018
35
Find 7 Different Pairs
Greater Than 15 Using
SEP 03 2018
36
Find Any Pair Greater
Than 0 Using All 9 Cards
SEP 24 2018
39
Find a Pair of 18's
Using Only Subtraction
OCT 08 2018
41
Find a Pair of 10000's
OCT 15 2018
42
Find 5 Different Quintuplets
Greater Than 0
OCT 22 2018
43
Find Any Pair Less Than
100 Using All 9 Cards
NOV 19 2018
47
Find Any Pair Greater
Than 0 Using All 9 Cards
DEC 17 2018
51
Find a Pair of 1's
Using Only Division
DEC 31 2018
53
Find a Pair of 2019's
