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Jaloux des multiplications

S1 E19
·
2016

Here's an ancient math trick that uses a louvered window to multiply double-digit numbers. The mystery is downright simple!

Levels:
Elementary Grade 5 Grade 4 Grade 6
Subjects:
Mathematics Number
Skills:
Communication Problem Solving Critical Thinking
French level:
B1: Threshold Independent User (B1 - B2) A2: Waystage Basic User (A1 - A2)
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E1 : Le 9 magique

3min30s
Eric the _mathmagicien_ performs a magic trick with numbers that will amaze your friends!
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E2 : L'ancien est nouveau

3min30s
Go back a few thousand years to ancient Egypt with Eric!
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E3 : Tête à tête

3min
This experiment is a no brainer: come and measure our height with Éric!
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E4 : Métamorphoses

3min30s
Eric shows us how to turn a bird into a fish!
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E5 : Mesurer la hauteur d'un arboretum

3min
How can you calculate the size of a very tall thing? Eric will help you!
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E6 : Zéro mon héros

3min30s
What is the most powerful number in the world? Come and find out with Éric!
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E7 : Le pouvoir du double

3min30s
Come discover the power of doubles with Eric!
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E8 : La probabilité en fête

3min
Is it likely? Unlikely? Impossible? Come and discover the different probabilities of events with Éric!
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E9 : Le carré parfait

3min
What geometric shape do you have? Come and find out with Éric!
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E10 : Une chaise en papier

3min30s
Eric examines the strength of a paper chair. Will it hold the weight of one person?
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E11 : La face cachée du dé

3min30s
Éric presents a magic trick with dice!
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E12 : Tourner en rond

3min30s
It's possible to create a perfect circle without lifting a finger!
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E13 : Calculer son anniversaire

3min
Find out how to calculate your date of birth using a calculator!
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E14 : Toutes proportions gardées

3min30s
Eric explores how to measure different parts of the face using unconventional units of measurement.
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E15 : Un mauvais pli

3min
How many times do you think you can fold a sheet of paper? Four times? Five times? Nine times? Come and find out with Eric!
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E16 : Estimer l'estimation

3min
Eric impresses us with his extraordinary powers of estimation.
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E17 : L'éléphant danois

3min30s
Do you think it's possible to read your friends' minds? Come find out with Eric!
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E18 : Chaussure au pied

3min
Did you know that most people are seven feet tall? That is, we measure seven of our own feet.
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E19 : Jaloux des multiplications

3min30s
Come discover a multiplication trick with Éric!
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E20 : Le chiffre de César

3min30s
Come discover Caesar's secret code with Eric!
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E21 : Attache-toi bien

3min30s
How many ways are there to tie shoes? Come and find out with Éric!
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E22 : Lettres aux chiffres romains

3min
Did you know that the letters C, D, I, L, M, V and X are Roman numbers? Come and discover the value of these letters with Eric!
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E23 : Dans un sens ou dans l'autre

3min
A palindrome is a word, phrase or couplet that reads the same in both directions-left to right and right to left. Come and discover with Éric if numbers can be a palindrome!
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E24 : Pareil, mais différent

3min
We can't always rely on our eyes. Come and explore the world of illusions with Eric the mathemagician.
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E25 : Les anneaux de Möbius

3min30s
Eric tries to perform magic with a magic circle!
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E26 : Un petit bec en papier

3min30s
Here's a trick for young _mathémagiciens_. Come and watch Eric transform a sheet of paper in three dimensions!
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E27 : Pavage et bavardage

3min
Éric the mathemagician amazes us once again by creating a geometric paving stone in the shape of his head!
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E28 : Une fraction de gâteau

3min30s
Did you know that you can use math to share a cake? You will discover with Eric how fractions can be absolutely delicious!
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E29 : Mes yeux miroirs

3min
Come and discover with Éric how to use a mirror to create illusions!
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E30 : Ceci avec cela

3min30s
How many different ways can you combine 6 shirts and 4 pairs of pants? Find out with Eric!
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E31 : Poids lourd poids léger

3min
Eric discovers that the mass and size of an object are not at all the same thing.
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E32 : La moyenne des choses

3min30s
Here's an easy way to add up in your head all the numbers in a 3-by-3 block of dates on a calendar.
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E33 : La grille au trésor

3min30s
Eric is on a treasure hunt, but first he has to learn how to use a grid map!
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E34 : Le cerf-volant

3min
Do you know how a kite works? Come and find out with Éric!
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E35 : La courbe est droite

3min
Eric is a master of illusions! He'll show you how to create an optical illusion by drawing straight lines that form a curve.
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E36 : Point de fuite en perspective

3min
Did you know that some things can seem far away - as if they were disappearing - when you look at a flat surface?
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E37 : Les motifs de la danse

3min30s
Eric discovers how to find mathematical patterns in art, architecture and even dance!
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E38 : Temps ensoleillé

3min30s
How do you tell the time without a clock? Eric will show you!
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E39 : A Strong Hold on Perimeters

3min
Want to know how to build the biggest fort you can? Eric reveals the secret in this episode!
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E40 : Le nombre magique

3min30s
Eric the _mathemagician_ knows a trick that is sure to blow your mind! No matter what number you choose, you'll always wind up with the same result.
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E41 : Écrire au miroir

3min
Can you decipher Eric's writing? Here, he reveals the _mathemagical_ mystery behind mirror writing.
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E42 : Les mathématiques sont partout

3min
Put on your _mathemagicianal_ glasses and tag along with Eric! He shows us that math can be found everywhere!
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E43 : Mini moi-même

3min30s
Would you like to make a self-portrait? Eric knows how to make self-portraits that are perfectly at scale!
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E44 : La bonne étoile

3min
Eric, the famous mathemagician, wants to show you how you too can reach for the stars!
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E45 : La grenouille en papier

3min30s
You can turn an ordinary sheet of paper into a three-dimensional jumping frog!
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E46 : À l'endroit, à l'envers

3min30s
You can amaze your friends with a magic trick using goblets.
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E47 : Tous dans le même bateau

3min30s
Sometimes, when you can't solve a problem, you have to turn to creativity!
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E48 : Écoute bien le problème

3min30s
Look and listen carefully! Eric the mathemagician learns that problem solving is similar to illusions.
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E49 : Chaussette probable

3min30s
Eric uses probability theory and a sock drawer to pull off a _mathémagie_ trick!
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E50 : Tetraèdre

3min
Eric is racking his brains to find out how to place four apple trees so that they are at the same distance from each other.
Levels:
Elementary Grade 5 Grade 4 Grade 6
Subjects:
Mathematics Number
Skills:
Communication Problem Solving Critical Thinking
French level:
B1: Threshold Independent User (B1 - B2) A2: Waystage Basic User (A1 - A2)