Numbers & Operations
Can you solve the passcode riddle?
Lesson duration 04:08
In a dystopian world, your resistance group is humanity’s last hope. Unfortunately, you’ve all...
Results for "riddle" (102)
Data Analysis & Probability
Can you solve the locker riddle?
Lesson duration 03:50
Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been...
Critical Thinking
Can you solve the three gods riddle?
Lesson duration 04:54
You and your team have crash-landed on an ancient planet. Can you appease the three alien...
Thinking & Learning
Can you solve "Einstein’s Riddle"?
Lesson duration 05:13
Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius...
Mathematics
Can you solve the control room riddle?
Lesson duration 04:01
As your country's top spy, you must infiltrate the headquarters of the evil syndicate, find the...
Thinking & Learning
Can you solve the prisoner hat riddle?
Lesson duration 04:35
You and nine other individuals have been captured by super-intelligent alien overlords. The...
Thinking & Learning
The dungeon master's riddle
Lesson duration 05:18
Yet another party of adventurers has broken into your lair to slay your minions and steal your...
Problem Solving
Can you solve the fish riddle?
Lesson duration 04:50
As the cargo director on the maiden voyage of the S.S. Buoyant, you’ve agreed to transport...
Mathematics
Can you solve the frog riddle?
Lesson duration 04:31
You’re stranded in a rainforest, and you’ve eaten a poisonous mushroom. To save your life, you...
Mathematics
Can you solve the airplane riddle?
Lesson duration 04:38
Professor Fukanō, the famous scientist, has embarked on a new challenge – piloting around the...
Mathematics
Can you solve the fortress riddle?
Lesson duration 05:23
Bad news: your worst enemies are at the gate. Your fledgling kingdom guards the world’s only herd...
Problem Solving
Can you solve the virus riddle?
Lesson duration 05:13
Your research team has found a prehistoric virus preserved in the permafrost and isolated it for...
Mathematics
Can you solve the human cannonball riddle?
Lesson duration 05:29
They call you the human cannonball. Your act involves flying through rings of fire, bouncing...
Mathematics
Can you solve the river crossing riddle?
Lesson duration 04:19
As a wildfire rages through the grasslands, three lions and three wildebeest flee for their...
Mathematics
Can you solve the temple riddle?
Lesson duration 04:13
Your expedition finally stands at the heart of the ancient temple. But as you study the...
Mathematics
Can you solve the Mondrian squares riddle?
Lesson duration 04:46
Dutch artist Piet Mondrian’s abstract, rectangular paintings inspired mathematicians to create a...
Data Analysis & Probability
Can you solve the counterfeit coin riddle?
Lesson duration 04:35
You’re the realm’s greatest mathematician, but ever since you criticized the Emperor’s tax laws,...
Mathematics
Can you solve the penniless pilgrim riddle?
Lesson duration 04:45
After months of travel, you’ve arrived at Duonia, home to the famous temple that’s the...