
SACADO propose des cours interactifs, des exercices interactifs avec leur correction détaillée, classés par les thèmes, attendus et savoir faire du programme de l'Education Nationale.
Avec ces exercices, vous créez des parcours d'apprentissage et des évaluations pour un suivi détaillé des progrès de vos élèves.
Voici les exercices du niveau Troisième.
Voici les exercices du niveau Troisième.
Nombres et calculs |
Utiliser les nombres pour comparer, calculer et résoudre des problèmes. 167 exercices |
Utiliser les puissances d’exposants positifs ou négatifs pour simplifier l’écriture des produits. 45 exercices |
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Calculer avec les nombres rationnels, notamment dans le cadre de résolution de problèmes. 78 exercices |
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Résoudre des problèmes mettant en jeu des racines carrées. 26 exercices |
![]() ![]() 718d4677 10 minutes 5 situations minimum |
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Résoudre des problèmes avec des puissances, notamment en utilisant la notation scientifique 18 exercices |
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Comprendre et utiliser les notions de divisibilité et de nombres premiers. 45 exercices |
Décomposer un nombre entier en produit de facteurs premiers (à la main, à l’aide d’un tableur ou d’un logiciel de programmation). 18 exercices |
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Simplifier une fraction pour la rendre irréductible. 8 exercices |
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Modéliser et résoudre des problèmes mettant en jeu la divisibilité (engrenages, conjonction de phénomènes…). 19 exercices |
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Utiliser le calcul littéral. 90 exercices |
Déterminer l’opposé d’une expression littérale. 3 exercices |
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Développer (par simple et double distributivités) et réduire des expressions algébriques simples. 24 exercices |
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Factoriser une expression du type $a^2-b^2$ 4 exercices |
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Développer des expression du type (a + b)(a - b). 3 exercices |
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Résoudre algébriquement différents types d’équations du premier degré 20 exercices |
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Résoudre algébriquement différents types d’équations produits 5 exercices |
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Résoudre algébriquement différents types d’équations de la forme $x^2=a$ sur des exemples simples. 4 exercices |
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Résoudre des problèmes avec une équation, qui peuvent être internes aux mathématiques ou en lien avec d’autres disciplines. 17 exercices |
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Savoir reconnaitre un facteur commun, factoriser une expression avec un facteur commun. 10 exercices |
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Grandeurs et mesures |
Calculer avec des grandeurs mesurables ; exprimer les résultats dans les unités adaptées. 58 exercices |
Calculer le volume d’une boule. 5 exercices |
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Calculer les volumes d’assemblages de solides étudiés au cours du cycle. 29 exercices |
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Mener des calculs sur des grandeurs mesurables, notamment des grandeurs composées, et exprime les résultats dans les unités adaptées. 12 exercices |
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Résoudre des problèmes utilisant les conversions d’unités sur des grandeurs composées. 7 exercices |
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Vérifier la cohérence des résultats du point de vue des unités pour les calculs de grandeurs simples ou composées. 5 exercices |
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Comprendre l’effet de quelques transformations sur les figures géométriques. 32 exercices |
Calculer des grandeurs géométriques (longueurs, aires et volumes) en utilisant les transformations (symétries, rotations, translations, homothétie). 2 exercices |
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Résoudre des problèmes en utilisant la proportionnalité en géométrie dans le cadre de certaines configurations ou transformations (agrandissement, réduction, triangles semblables, homothéties). 30 exercices |
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Espace et géométrie |
Représenter l’espace. 28 exercices |
Se repérer sur une sphère (latitude, longitude). 3 exercices |
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Construire et mettre en relation différentes représentations des solides étudiés au cours du cycle (représentations en perspective cavalière, vues de face, de dessus, en coupe, patrons) et leurs sections planes. 25 exercices |
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Utiliser les notions de géométrie plane pour démontrer. 124 exercices |
Connaitre le théorème de Thalès et sa réciproque dans la configuration papillon ; 29 exercices |
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Connaitre les triangles semblables : une définition et une propriété caractéristique ; 2 exercices |
![]() ![]() 413ee512 10 minutes 5 situations minimum |
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Connaitre les lignes trigonométriques dans le triangle rectangle : cosinus, sinus, tangente, 37 exercices |
![]() ![]() f770a38a 10 minutes 5 situations minimum |
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Transformer une figure par rotation et par homothétie et il comprend l’effet d’une rotation et d’une homothétie. 19 exercices |
![]() ![]() 25bf36e1 10 minutes 5 situations minimum |
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Identifier des rotations et des homothéties dans des frises, des pavages et des rosaces. 3 exercices |
![]() ![]() 4a6504a7 10 minutes 5 situations minimum |
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Mobiliser les connaissances des figures, des configurations, de la rotation et de l’homothétie pour déterminer des grandeurs géométriques. 26 exercices |
![]() ![]() c0470b77 10 minutes 5 situations minimum |
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Mener des raisonnements en utilisant des propriétés des figures, des configurations, de la rotation et de l’homothétie. 8 exercices |
![]() ![]() 47bc98b9 10 minutes 5 situations minimum |
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Organisation et gestion de données, fonctions |
Interpréter, représenter et traiter des données. 49 exercices |
Lire, interprèter et représenter des données sous forme d’histogrammes pour des classes de même amplitude. 9 exercices |
![]() ![]() e040f7d4 10 minutes 5 situations minimum |
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Calculer et interpréter l’étendue d’une série présentée sous forme de données brutes, d’un tableau, d’un diagramme en bâtons, d’un diagramme circulaire ou d’un histogramme. 20 exercices |
![]() ![]() badaeb8b 10 minutes 5 situations minimum |
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Calculer des effectifs et des fréquences. 20 exercices |
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Comprendre et utiliser des notions élémentaires de probabilités. 33 exercices |
À partir de dénombrements, calculer des probabilités pour des expériences aléatoires simples à une ou deux épreuves. 29 exercices |
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Faire le lien entre stabilisation des fréquences et probabilités. 4 exercices |
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Résoudre des problèmes de proportionnalité. 45 exercices |
Modéliser une situation de proportionnalité à l’aide d’une fonction linéaire. 6 exercices |
![]() ![]() 5b811bc5 10 minutes 5 situations minimum |
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Utiliser le lien entre pourcentage d’évolution et coefficient multiplicateur. 26 exercices |
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Résoudre des problèmes en utilisant la proportionnalité dans le cadre de la géométrie. 4 exercices |
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Calculer une quatrième proportionnelle. 9 exercices |
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Comprendre et utiliser la notion de fonction. 76 exercices |
Utiliser les notations et le vocabulaire fonctionnels. 1 exercice |
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Passer d’un mode de représentation d’une fonction à un autre. 23 exercices |
![]() ![]() 2e3d7953 10 minutes 5 situations minimum |
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