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Advanced Number Puzzles
Flex your skills with some quick and fun advanced number puzzles.
54 Lessons
Infinity Puzzles
Start
Stack of Circles
Thinning Triangles
Fill the Diagonal
Tower of Triangles
Divide and Color
Area In-Between
Stack of Squares
Plus or Nonplussed?
Number Bases Puzzles
Carrrs
Ha ha ha ha! Eh...
In for the Win
The Era of the Ear
The Answer Is a Cryptogram, Too
The Power of Math
What Are the Missing Digits?
Play the Odds
How Many Ones?
Cherry Production
Lots of Triangles or One Big One?
The Eye of...
How Many Trailing Zeros?
Even or Odd?
Math History Puzzles
Solutions From Solutions
What's the Last Digit?
Consecutive Sum
Contest Math Puzzles
Dorian the Builder
How Many Divisors?
The Sum of Ages
Book Prices
What Does Average Look Like?
Exactly 3 Divisors?
What Makes Squares a Little Odd?
Problem Solving Puzzles
What Is Impossible?
One to Three, Three to One
Only Multiply or Divide!
You Won't Get This Number
1 2 3 4 5 6 = 10
Impossible Result
The First Sign
Even to Odd
5 5 5 5 5 = As Big As You Can Make It!
Smallest Odd
String Together a Multiple of Five
Too Many Twos
Is One Value Impossible?
Isn't That Odd?
Prime Five
Get Them on the Other Side
Even It Out
Can You Make It Bigger?
One to Nine
Dividing Decimals
Even or Odd
The Maximum Maximum
Course description
Flex your skills with some quick and fun advanced number puzzles.