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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Frog Riddle?

For Students 9th - 10th
You're stranded in a rainforest, and you've eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces the antidote. The male and female look...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Temple Riddle?

For Students 9th - 10th
Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Virus Riddle?

For Students 9th - 10th
Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you're just closing up the lab when a sudden earthquake hits and breaks all the sample vials. Will you be...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Pirate Riddle?

For Students 9th - 10th
Amaro, Bart, Charlotte, Daniel, and Eliza have struck gold- a chest with 100 coins. But now, they must divvy up the booty according to the pirate cod. Can you help come up with the distribution that Amaro should propose to make sure he...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Buried Treasure Riddle?

For Students 9th - 10th
After a massive storm tears through the Hex Archipelago, you find five grizzled survivors in the water. As an act of gratitude for saving them, they reveal a secret- the island they were just on holds some buried treasure. But when the...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Dark Coin Riddle?

For Students 9th - 10th
As a world-renowned treasure hunter, you have been searching for the legendary dungeon containing the stash of ancient Stygian coins. The wizard who owns the castle has even allowed you to have them, on one condition you must solve his...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Leonardo Da Vinci Riddle?

For Students 9th - 10th
You've found Leonardo da Vinci's secret vault, secured by a series of combination locks. Fortunately, your treasure map has three codes: 1210, 3211000, and, the last one appears to be missing. Can you figure out the last number and open...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Rebel Supplies Riddle?

For Students 9th - 10th
You're overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packages must follow this rule: if a box is marked with an even number on the bottom, it must be sealed with a red top....
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Alien Probe Riddle?

For Students 9th - 10th
Your team has developed a probe to study an alien monolith. It needs protective coatings in red, purple and green to cope with the environments it passes through. Can you figure out how to apply the colors so the probe survives the trip?
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Killer Robo Ants Riddle?

For Students 9th - 10th
The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to shoot deadly lasers and you can't turn it off. Can you stop them from escaping their habitat before the...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Stolen Rubies Riddle?

For Students 9th - 10th
Townspeople are demanding that a corrupt merchant's collection of 30 rubies be confiscated to reimburse the victims of his schemes. The king announces that the fine will be determined through a game of wits between the merchant and the...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Time Travel Riddle?

For Students 9th - 10th
Your professor has accidentally stepped through a time portal in his physics lab. You've got just a minute to jump through before it closes and leaves him stranded in history. Your only way back is to grab enough colored nodules to...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Multiplying Rabbits Riddle?

For Students 9th - 10th
After years of experiments, you've finally created the pets of the future- nano-rabbits! They're tiny, they're fuzzy and they multiply faster than the eye can see. But a rival lab has sabotaged you, threatening the survival of your new...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Secret Werewolf Riddle?

For Students 9th - 10th
You're on the trail of a werewolf that's been terrorizing your town. After months of detective work, you've narrowed your suspects to one of five people. You've invited them to dinner with a simple plan: to slip a square of a rare...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Giant Iron Riddle?

For Students 9th - 10th
Can you test the batteries so that you get a working pair in seven tries or less?
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Vampire Hunter Riddle?

For Students 9th - 10th
You've stealthily descended into the darkness of a vampire cave, setting a sequence of mirrors as you go. When the sun reaches the right angle in the sky, a beam of light will ricochet along the mirrors, strike a diffuser, and illuminate...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Jail Break Riddle?

For Students 9th - 10th
Your timing made you and your partner infamous bank robbers. Now, you need to use that timing to break out of jail. Your partner is about to flash you a signal, and exactly 45 seconds later the electric fence circuit will short out. Then...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Unstoppable Blob Riddle?

For Students 9th - 10th
A shooting star crashes onto Earth. It's unstoppable: no matter what you throw at it, it just re-grows and continues its rampage. The only way to save the planet is to cut the entire blob into precise acute triangles, rendering it inert....
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Cuddly Duddly Fuddly Wuddly Riddle?

For Students 9th - 10th
You've promised to get your son the cutest creature in creation: the cuddly. It's part of the Wuddly species, cousin to the terrifying duddly and the hideous fuddly. To make one, 100 eggs are placed in an incubator to undergo egg fusion,...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Mondrian Squares Riddle?

For Students 9th - 10th
Dutch artist Piet Mondrian's abstract, rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible?
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Giant Cat Army Riddle?

For Students 9th - 10th
The villainous Dr. Schrodinger has developed a growth ray and intends to create an army of giant cats to terrorize the city. Your team of secret agents has tracked him to his underground lab. You burst in to find that it's a trap! Can...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Penniless Pilgrim Riddle?

For Students 9th - 10th
After months of travel, you've arrived at Duonia, home to the famous temple that's the destination of your pilgrimage. The walk from the welcome center to the temple isn't a long one but there's a problem. Can you outsmart the city's...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Wizard Standoff Riddle?

For Students 9th - 10th
You've been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents are a powerful sorcerer who wields a wand that can turn people into fish, and a powerful enchantress who...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the False Positive Riddle?

For Students 9th - 10th
Mining unobtainium is hard work- the rare mineral appears in only 1% of rocks in the mine. But your friend Tricky Joe has something up his sleeve. The unobtainium detector he's been perfecting for months is finally ready, and it returns...

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