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Prime Puzzler
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Hailstone Sequence
Threes and Eights
Ring It!
Wacky Weighing
Vanishing Center
Fractionally Patterned
Egyptian Fractions
Scottish Subtraction
Futoshiki
Ruby Mixup
Data Scramble Basic
Data Scramble V2
Exploding Dots
Missing Numbers
Nana's Paint Mixup
Drip Drip
Pokemon Go Cheat!
Super Bear
Nana's Chocolate Milk
Money Down The Drain
Bubble Wrap
Dimensional Disaster
Sugar Rush
Speeding Ticket
Basket Case
Pass for Your Buck
Voting Power
The Topping Effect
Monopoly Mayhem
One Blade at A Time 2017
Area vs Volume
Free Lunch
Factors and Multiples
Bungee Barbie
Hanging By A Thread
Rascally Runners
Pavement Predicament
Planetary Scale
Power of Zero
Order of Operations
Complexly Simply
Composite What?
Solving for the Unknown
HQ Mania
What's My Angle?
Pattern Mania
Mathematical Magic
Fun With Flags
Blades of Grass Adapted
Simply Scales
Make It True
Consecutive Challenges
Mr. Bodde
Bonus
Bonus 2
Using only the digits 0-8 without repeat, is it possible to complete the three number sentences to the left?
Develop an argument why this is or isn't possible using your understanding of number theory.
Home
Challenges
Prime Puzzler
Cereal Conundrum
Varied Variables
Hailstone Sequence
Threes and Eights
Ring It!
Wacky Weighing
Vanishing Center
Fractionally Patterned
Egyptian Fractions
Scottish Subtraction
Futoshiki
Ruby Mixup
Data Scramble Basic
Data Scramble V2
Exploding Dots
Missing Numbers
Nana's Paint Mixup
Drip Drip
Pokemon Go Cheat!
Super Bear
Nana's Chocolate Milk
Money Down The Drain
Bubble Wrap
Dimensional Disaster
Sugar Rush
Speeding Ticket
Basket Case
Pass for Your Buck
Voting Power
The Topping Effect
Monopoly Mayhem
One Blade at A Time 2017
Area vs Volume
Free Lunch
Factors and Multiples
Bungee Barbie
Hanging By A Thread
Rascally Runners
Pavement Predicament
Planetary Scale
Power of Zero
Order of Operations
Complexly Simply
Composite What?
Solving for the Unknown
HQ Mania
What's My Angle?
Pattern Mania
Mathematical Magic
Fun With Flags
Blades of Grass Adapted
Simply Scales
Make It True
Consecutive Challenges
Mr. Bodde
Bonus
Bonus 2