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,...
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?
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...
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...
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...
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...
eBook
Unite for Literacy

Unite for Literacy: Animals: Who Is in the Ocean?

For Students K - 1st
A riddle book about ocean animals. Includes audio narration in 17 additional languages with text in English.
Interactive
Scholastic

Scholastic: I Spy: The Library

For Students Pre-K - 1st
I SPY activities consist of software, jigsaw puzzles, and games for children. Students use problem-solving skills when playing the visual brain-teasing puzzle. The resource combines photographs of familiar object collections with rich...
Interactive
Scholastic

Scholastic: I Spy: City

For Students Pre-K - 1st
I SPY activities consists of software, jigsaw puzzles, and games for children. Students use problem-solving skills when playing the visual brain-teasing puzzle. The resource combines photographs of familiar-object collections with rich...
Interactive
Scholastic

Scholastic: I Spy: The View From Duck Pond Inn

For Students Pre-K - 1st
I SPY activities consist of software, jigsaw puzzles, and games for children. Students use problem solving skills when playing the visual brain-teasing puzzle. The resource combines photographs of familiar-object collections with rich...
Website
Other

English for Kids (For Native Speakers of Russian)

For Students Pre-K - 1st
Offers the latest news on learning English in Russia. Contains useful links to English language learning resources: tales, songs, games, riddles, lesson plans, proverbs, and a pen pal club.
Activity
University of Cambridge

University of Cambridge: Nrich: Romantic Riddle

For Students 3rd - 8th
See if you can figure out the solution to this romantic riddle. You can find the solution right at this one page website once you have formulated your own.
Handout
Greek Gods

Greek Gods: Monsters: Sphinx

For Students 9th - 10th
Learn about the frightful Sphinx, his riddle, and who solved it.
Interactive
PBS

Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line

For Students 6th - 8th Standards
In this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line. Numbers are randomized so that the frogs' placements on the...
Interactive
PBS

Pbs Learning Media: Logical Leaps: Rational Numbers on the Number Line

For Students 6th - 8th Standards
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Then, place each contestant's jump -- a fraction, mixed number, or decimal between -5 and +5 -- at the correct point on the number line. Backward jumps...
Interactive
PBS

Pbs Learning Media: Logical Leaps: Fractions and Decimals From 0 to 1 on the Vertical Number Line

For Students 6th - 8th Standards
In this interactive, use logic to solve riddles involving a flea-jumping contest. Place each contestant's jump, represented by either a fraction or a decimal in both feet and inches, at the correct point on the vertical number line....
Activity
Dartmouth College

Dartmouth College: Mqed: The Hand and the Key

For Students 9th - 10th
The learning resource explores the mathematical riddles embedded in the walls of a palace.
Website
Scholastic

Scholastic: I Spy Games Area

For Students Pre-K - 1st
Games and puzzles for early elementary school children. Great looking site with easy riddles, interactive observation and object search games. A few games will help student practice reading, i.e., match a written description of an object...
Primary
University of Florida

Baldwin Library: Robert Merry's Book of Puzzles by Robert Merry, Ed.

For Students 3rd - 5th
This is an online photocopy of the original text of the children's book Robert Merry's Book of Puzzles by Robert Merry, Ed. (1861), a collection of riddles, charades, and puzzles.
Activity
Cut the Knot

Cut the Knot: 3 Glasses Puzzle

For Students 9th - 10th
Challenge students to a well-known riddle involving three different-sized glasses, some water, and a goal of a certain amount to be measured out. At this site, students can actually "pour" the water back and forth to solve the problem.
Activity
Read Works

Read Works: "As I Was Going to St. Ives"

For Students K Standards
[Free Registration/Login Required] A riddle poem by an anonymous poet. A question sheet is available to help students build skills in reading comprehension.
Whiteboard
SMART Technologies

Smart: Ancient Egypt Religion

For Teachers 5th - 8th
Topics discussed: creation, symbols, polytheism, Book of the Dead, Mummification, Cartouche, Curse of the Mummy, pyramids, and the Riddle of Sphinx. Very Interactive!!! - Make your own cartouche, explore a tomb, and make your own mummy.
Interactive
Starfall

Starfall: Groundhog Day

For Students Pre-K - 1st
This interactive focuses on Groundhog day including the date, a riddle, and pictures of the groundhog sleeping, moving out of his nest, and a cloudy day.
Handout
Countries and Their Cultures

Countries and Their Cultures: Mbeere

For Students 9th - 10th
The Mbeere live in Embu District in the Eastern Province of Kenya, East Africa. The name "Mbeere" means "first," referring to their belief that they were the initial occupants of their territory. Aesthetics center on the verbal arts,...

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