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Two Animals Switch Biomes

What if a capybara and a kangaroo rat switched homes? Would their adaptations be helpful at all?

Types of Energy Tournament

Which type of energy will win the tournament!?

How Many Ways: Fraction Addition 234

How many different ways can you make this fraction addition statement true using only the digits one through nine?

Fractions: Decompose and Recompose

What if we took a fraction apart, then took those pieces apart, then recombined them, and then recombined those, arriving back to the original fraction?

Fraction Ordering Tournament

Which set of fractions would be the trickiest to order from least to greatest? Let’s have a tournament!

Fraction Puzzlers: Add and Subtract Fractions To Reach A Number

You only have six digits to form three fractions. Can you combine them to get to 0?