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Interactive
ABCya

Ab Cya: Sugar Sugar 2

For Students 3rd - 6th
Sugar, Sugar 2 is the awesome sequel to the popular Sugar, Sugar original. This fun game for kids incorporates logic and physics to solve the puzzles. The goal is to draw lines with your mouse to get sugar into the cups. You must fill...
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Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Prisoner Hat Riddle?

For Students 9th - 10th
You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not...
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Interactive
ABCya

Ab Cya: Let Me Grow

For Students K - 1st
Let Me Grow is an entertaining puzzle game. Help get water to the thirsty flowers by removing blocks and opening levees. Be careful not to get the garden gnomes wet! Younger children might need help from adults beyond the first six levels.
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Interactive
ABCya

Ab Cya: Cat Around the World

For Students 4th - 6th
Cat Around the World is a physics-based logic game. The goal is to feed the cat by removing objects and manipulating others while also trying to collect stars. Watch out for unfriendly creatures that want the food for themselves!
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Interactive
ABCya

Ab Cya: Cat Around Asia

For Students 4th - 6th
Cat Around Asia is a physics-based logic game. The goal is to feed the cat fish by removing objects and manipulating others while also trying to collect stars. Watch out for unfriendly creatures that want the food for themselves!
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Interactive
ABCya

Ab Cya: Light on 2

For Students 3rd - 6th
Who turned off the lights? Well, we'll need your help turning them back on. Use logic and reasoning to light up the rooms with the different tools provided. Are you bright enough to complete this challenging puzzle game?
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Interactive
ABCya

Ab Cya: Robo Trobo

For Students 3rd - 6th
Robo Trobo is a problem solving game for kids of all ages. Kids will need to guide Robo through complex puzzles in order to complete the different levels. Have fun and think outside the box!
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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 "Einstein's Riddle"?

For Students 9th - 10th
Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one...
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Interactive
ABCya

Ab Cya: Fluffy Cuddlies

For Students 1st - 3rd
Can you save these adorable fluffy little animals? Link together at least three of the same cute little critters to collect them but work quickly for time is running out!
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Website
Cut the Knot

Cut the Knot!: Interactive Mathematics: Geometry Articles, Theorems, Problems

For Students 9th - 10th
Contains over five hundred Geometry articles, problems, puzzles, and games. Some sites relating to circles are provided within this list.
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Activity
Ministry of Education and Employment of Spain

Red Escolar: El Crucigrama De Hipatia

For Students 6th - 8th
In Spanish. Hypatia of Alejandria was a great mathematician that from an early age taught and investigated almost all branches of mathematics. To remember her solve the crossword puzzle involving problems of arithmetic, geometry and...
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Website
Ministerio de Educacion, Cultura y Deporte (Spain)

Centros5: Rincon Matematico 2000

For Students 9th - 10th
Enjoy many of the math poems, puzzles and tricks in this math corner.
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Whiteboard
ClassFlow

Class Flow: A Twisted Christmas Story

For Teachers 3rd - 6th Standards
[Free Registration/Login Required] This Twisted Christmas Story has sentences with the words in the wrong place. Rearrange the words and then rearrange the sentences to create a logical story.
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Activity
University of Cambridge

University of Cambridge: Nrich: Divide It Out!

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and basic division fact skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: 1, 2, 3 Magic Square

For Students Pre-K - 1st Standards
Sharpen your logic and basic addition facts skills while working on this challenge. Solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: One Big Triangle

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Super Value Codes

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Adding Plus

For Students Pre-K - 1st
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
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Interactive
Other

Websudoku

For Students 9th - 10th Standards
A fun puzzler to get any mind thinking logically! Try many levels of puzzles using the following rules: "Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3...
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Activity
University of Cambridge

University of Cambridge: Nrich: Clever Santa

For Students 3rd - 8th
Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.
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Activity
Mensa Espana

Mensa: Juegos De Ingenio Del Club Mensa (001 005)

For Students 9th - 10th
Challenge yourself with these five math problems. Each problem is marked by their levels of difficulty.
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Activity
Mensa Espana

Mensa: Juegos De Ingenio Del Club Mensa (011 015)

For Students 9th - 10th
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
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Activity
Mensa Espana

Mensa: Juegos De Ingenio Del Club Mensa (016 020)

For Students 9th - 10th
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.

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