Math Puzzles

Math Puzzles / Brain Teasers / Word Problems
G
Use seven 4s to make expressions to equal 100.
Replies
4
Views
46
greg1313
G
Use six 4s to make expressions to equal 100.
Replies
1
Views
30
MacstersUndead
G
Use four 5s and certain operations to make expressions equal to integers 1 through 10
Replies
8
Views
972
Monoxdifly
L
Pick Outside Number
Replies
0
Views
733
lzkrs
G
bowling scores, number of wins
Replies
1
Views
901
greg1313
G
With three 1s make 6
2
Replies
12
Views
1K
Monoxdifly
G
With three fives make 6
Replies
4
Views
782
greg1313
X
A liar says he tells truth. So he is a liar. But he just told he tells truth.Solution
Replies
7
Views
2K
zoeyw
S
Sandwich Fillings - 1
Replies
4
Views
2K
Monoxdifly
D
Weird puzzle
2
Replies
11
Views
653
Debsta
L
Real life math help needed - how much rent to pay based on your income
Replies
1
Views
431
Debsta
O
a wee puzzle
Replies
5
Views
7K
Plato
G
  • Locked
Interior angle sum of quadrilaterals
Replies
8
Views
7K
topsquark
N
Math Puzzles App
Replies
0
Views
4K
nirkog
D
Don't you be no square!
Replies
1
Views
4K
greg1313
G
Leftmost digit of a randomly chosen Fibonacci number
Replies
7
Views
1K
x3bnm
X
A barber who shaves those who doesn't shave themselves does he shave himself?
Replies
2
Views
889
Plato
X
Monty Hall Problem and why isn't it 50/50 with other two unopened doors?
Replies
6
Views
796
x3bnm
N
The Five Fives: The Missing Values (+ Small contest!)
Replies
3
Views
4K
duccanhptit
B
balance puzzle
Replies
1
Views
7K
SlipEternal
G
Arithmetic - - Use four 4's to make 5 with limitations
Replies
3
Views
4K
greg1313
X
In how many ways can a Rubik's cube be arranged?
Replies
0
Views
4K
x3bnm
N
Number Sequence Game...
Replies
7
Views
5K
ChipB
M
numbers in 2 equivalent series
2
Replies
10
Views
7K
DenisB
G
integration joke type problem
Replies
8
Views
4K
romsek
R
Lengths of Frame Members
Replies
4
Views
7K
skeeter
L
More Patterns worksheets and games suggestions for Grade 1 to 5.
Replies
0
Views
4K
lrmail
G
Place parentheses in arithmetical expression to make it equal to larger than 39
Replies
1
Views
717
greg1313
G
Cross-number Puzzle (3x3)
Replies
4
Views
913
SlipEternal
G
need help with one more puzzle please
Replies
2
Views
836
geocacher
G
Need help with a math puzzle
Replies
1
Views
4K
SlipEternal
K
Finding rules of number pyramids
Replies
3
Views
4K
DenisB
topsquark
Swim Time
Replies
2
Views
934
Volta
W
Fish Story
Replies
2
Views
1K
Volta
B
Shortest possible diatnace to link these four towns
Replies
6
Views
2K
msfallah
T
Guess the number!
Replies
1
Views
951
HallsofIvy
R
Probability theory, rolling dice
Replies
4
Views
978
Rafael
D
Prisoner Hat Riddle
Replies
3
Views
2K
MacstersUndead
A
Knights - knaves puzzle
Replies
9
Views
1K
DenisB
D
Another puzzle question
Replies
6
Views
840
Archie
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