Algorithmique du cycle 3 - 6e

Tracés

Exercice 1 : Dessiner un rectangle de longueur et largeurs donnés (pas de boucle)

Utiliser un algorithme pour dessiner un rectangle de longueur 58 et de largeur 52.

{"init": {"range": [[9.0, 69.0], [89.0, 143.0]], "scale": [1, 1]}, "line": [[[10.0, 90.0], [68.0, 90.0], {"subtype": "segment"}], [[68.0, 90.0], [68.0, 142.0], {"subtype": "segment"}], [[68.0, 142.0], [10.0, 142.0], {"subtype": "segment"}], [[10.0, 142.0], [10.0, 90.0], {"subtype": "segment"}]]}

{"environment": "drawing", "start_x": 10, "start_y": 90, "timeout": 100, "start_angle": 0}

{"options": {"blocks": {"drawing_writing_position": {"previous_statement": true, "next_statement": true, "colour": 210, "tooltip": "Mettre le stylo en position d'\u00e9criture", "inputs": [{"type": "dummy_input", "fields": [{"text": "Stylo en \u00e9criture", "type": "text"}], "align": "left"}], "inline": true}, "drawing_forward": {"previous_statement": true, "next_statement": true, "colour": 160, "tooltip": "Avancer d'un certain nombre de pixels", "inputs": [{"type": "dummy_input", "fields": [{"text": "Avancer de", "type": "text"}, {"name": "npixels", "default": 10.0, "type": "number_input"}], "align": "left"}], "inline": true}, "base_start": {"next_statement": true, "colour": 65, "tooltip": "D\u00e9marrage de l'algorithme", "inputs": [{"type": "dummy_input", "fields": [{"text": "Au d\u00e9marrage", "type": "text"}], "align": "left"}], "creatable": false, "on_event": "start"}, "drawing_reset": {"previous_statement": true, "next_statement": true, "colour": 210, "tooltip": "Effacer tout", "inputs": [{"type": "dummy_input", "fields": [{"text": "Effacer tout", "type": "text"}], "align": "left"}], "inline": true}, "drawing_moving_position": {"previous_statement": true, "next_statement": true, "colour": 210, "tooltip": "Relever le stylo", "inputs": [{"type": "dummy_input", "fields": [{"text": "Relever le stylo", "type": "text"}], "align": "left"}], "inline": true}, "drawing_turn": {"previous_statement": true, "next_statement": true, "colour": 160, "tooltip": "Tourner d'un angle", "inputs": [{"type": "dummy_input", "fields": [{"text": "Tourner de", "type": "text"}, {"name": "angle", "default": 0, "type": "angle"}, {"text": "degr\u00e9s", "type": "text"}], "align": "left"}], "inline": true}}, "toolbox": [{"type": "drawing_forward", "npixels": 0.0}, {"type": "drawing_moving_position"}, {"type": "drawing_reset"}, {"type": "drawing_turn", "angle": 0}, {"type": "drawing_writing_position"}]}, "ast": [[{"type": "base_start", "deletable": false, "editable": false}]]}

Exercice 2 : Dessiner un triangle de côté donné (pas de boucle)

Utiliser un algorithme pour dessiner le triangle équilatéral ABC de côté 86 en commençant par A, puis B, puis C.

{"init": {"range": [[-84.62177826491072, 101.62177826491069], [-70.64101615137753, 105.64101615137758]], "scale": [1, 1]}, "arc": [[[60.62177826491069, -35.00000000000003], [20, 20], 0.0, 120.0, false], [[4.2862637970157365e-15, 70.0], [20, 20], 120.0, 240.0, false], [[-60.621778264910716, -34.99999999999998], [20, 20], 240.0, 0.0, false]], "line": [[[23.68601800185892, 19.27512886940356], [36.935760263051776, 15.724871130596412]], [[26.110889132455345, 15.075128869403558], [39.360631393648205, 11.524871130596411]], [[60.62177826491069, -35.00000000000003], [4.2862637970157365e-15, 70.0], {"subtype": "segment"}], [[-28.535760263051785, 10.875128869403582], [-32.086018001858925, 24.12487113059644]], [[-26.110889132455355, 15.075128869403581], [-29.661146871262495, 28.32487113059644]], [[4.2862637970157365e-15, 70.0], [-60.621778264910716, -34.99999999999998], {"subtype": "segment"}], [[4.849742261192843, -30.150257738807145], [-4.849742261192872, -39.84974226119285]], [[-1.2434497875801753e-14, -30.150257738807145], [-9.699484522385728, -39.84974226119285]], [[-60.621778264910716, -34.99999999999998], [60.62177826491069, -35.00000000000003], {"subtype": "segment"}], [[4.2862637970157365e-15, 70.0], [-19.999999999999996, 104.64101615137758], {"subtype": "segment", "stroke-dasharray": "."}], [[-60.621778264910716, -34.99999999999998], [-80.62177826491072, -69.64101615137753], {"subtype": "segment", "stroke-dasharray": "."}], [[60.62177826491069, -35.00000000000003], [100.62177826491069, -35.00000000000005], {"subtype": "segment", "stroke-dasharray": "."}]], "label": [[[-19.999999999999996, 80.0], "120\u00b0", "left", {}], [[1.0000000000000042, 71.0], "C", "above", {}], [[-45.621778264910716, -44.99999999999998], "120\u00b0", "bellow right", {}], [[-59.621778264910716, -33.99999999999998], "A", "left", {}], [[75.62177826491069, -25.00000000000003], "120\u00b0", "above right", {}], [[61.62177826491069, -34.00000000000003], "B", "below right", {}]]}

{"environment": "drawing", "start_x": 50, "start_y": 90, "timeout": 100, "start_angle": 0}

{"options": {"blocks": {"drawing_turn": {"previous_statement": true, "next_statement": true, "colour": 160, "tooltip": "Tourner d'un angle", "inputs": [{"type": "dummy_input", "fields": [{"text": "Tourner de", "type": "text"}, {"name": "angle", "default": 0, "type": "angle"}, {"text": "degr\u00e9s", "type": "text"}], "align": "left"}], "inline": true}, "base_start": {"next_statement": true, "colour": 65, "tooltip": "D\u00e9marrage de l'algorithme", "inputs": [{"type": "dummy_input", "fields": [{"text": "Au d\u00e9marrage", "type": "text"}], "align": "left"}], "creatable": false, "on_event": "start"}, "drawing_moving_position": {"previous_statement": true, "next_statement": true, "colour": 210, "tooltip": "Relever le stylo", "inputs": [{"type": "dummy_input", "fields": [{"text": "Relever le stylo", "type": "text"}], "align": "left"}], "inline": true}, "drawing_writing_position": {"previous_statement": true, "next_statement": true, "colour": 210, "tooltip": "Mettre le stylo en position d'\u00e9criture", "inputs": [{"type": "dummy_input", "fields": [{"text": "Stylo en \u00e9criture", "type": "text"}], "align": "left"}], "inline": true}, "drawing_reset": {"previous_statement": true, "next_statement": true, "colour": 210, "tooltip": "Effacer tout", "inputs": [{"type": "dummy_input", "fields": [{"text": "Effacer tout", "type": "text"}], "align": "left"}], "inline": true}, "drawing_forward": {"previous_statement": true, "next_statement": true, "colour": 160, "tooltip": "Avancer d'un certain nombre de pixels", "inputs": [{"type": "dummy_input", "fields": [{"text": "Avancer de", "type": "text"}, {"name": "npixels", "default": 10.0, "type": "number_input"}], "align": "left"}], "inline": true}}, "toolbox": [{"type": "drawing_forward", "npixels": 0.0}, {"type": "drawing_moving_position"}, {"type": "drawing_reset"}, {"type": "drawing_turn", "angle": 0}, {"type": "drawing_writing_position"}]}, "ast": [[{"type": "base_start", "deletable": false, "editable": false}]]}

Exercice 3 : Dessiner un carré de côté donné (pas de boucle)

Utiliser un algorithme pour dessiner un carré de côté 67.

{"init": {"range": [[9.0, 78.0], [99.0, 168.0]], "scale": [1, 1]}, "line": [[[10.0, 100.0], [77.0, 100.0], {"subtype": "segment"}], [[77.0, 100.0], [77.0, 167.0], {"subtype": "segment"}], [[77.0, 167.0], [10.0, 167.0], {"subtype": "segment"}], [[10.0, 167.0], [10.0, 100.0], {"subtype": "segment"}]]}

{"environment": "drawing", "start_x": 10, "start_y": 100, "timeout": 100, "start_angle": 0}

Exercice 4 : Dessiner un rectangle de longueur et largeurs donnés (pas de boucle)

Utiliser un algorithme pour dessiner un rectangle de longueur 87 et de largeur 47.

{"init": {"range": [[9.0, 98.0], [89.0, 138.0]], "scale": [1, 1]}, "line": [[[10.0, 90.0], [97.0, 90.0], {"subtype": "segment"}], [[97.0, 90.0], [97.0, 137.0], {"subtype": "segment"}], [[97.0, 137.0], [10.0, 137.0], {"subtype": "segment"}], [[10.0, 137.0], [10.0, 90.0], {"subtype": "segment"}]]}

{"environment": "drawing", "start_x": 10, "start_y": 90, "timeout": 100, "start_angle": 0}

Exercice 5 : Dessiner un triangle de côté donné (pas de boucle)

Utiliser un algorithme pour dessiner le triangle équilatéral ABC de côté 72 en commençant par A, puis B, puis C.

{"environment": "drawing", "start_x": 50, "start_y": 90, "timeout": 100, "start_angle": 0}

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