// Numbas version: finer_feedback_settings {"name": "Vermenigvuldigen en delen met gehele getallen ", "metadata": {"description": "", "licence": "None specified"}, "duration": 0, "percentPass": 0, "showQuestionGroupNames": false, "shuffleQuestionGroups": false, "showstudentname": true, "question_groups": [{"name": "Group", "pickingStrategy": "all-ordered", "pickQuestions": 1, "questionNames": ["", "", ""], "variable_overrides": [[], [], []], "questions": [{"name": "Vermenigvuldigen met gehele getallen ", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Johan Maertens", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1301/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"factor2": {"name": "factor2", "group": "Ungrouped variables", "definition": "random(-10..10 except [-1,0,1])", "description": "", "templateType": "anything", "can_override": false}, "factor5": {"name": "factor5", "group": "Ungrouped variables", "definition": "random(-10..-3)", "description": "", "templateType": "anything", "can_override": false}, "factor1": {"name": "factor1", "group": "Ungrouped variables", "definition": "random(-10..-2)", "description": "", "templateType": "anything", "can_override": false}, "factor6": {"name": "factor6", "group": "Ungrouped variables", "definition": "random(-1..1#1 except factor3)", "description": "", "templateType": "anything", "can_override": false}, "factor4": {"name": "factor4", "group": "Ungrouped variables", "definition": "random(-10,10,-15,15,-20,20,2,-2,5,-5)", "description": "", "templateType": "anything", "can_override": false}, "factor3": {"name": "factor3", "group": "Ungrouped variables", "definition": "random(-1,0,1)", "description": "", "templateType": "anything", "can_override": false}, "factor7": {"name": "factor7", "group": "Ungrouped variables", "definition": "random(-10..10 except[factor1])", "description": "", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["factor2", "factor1", "factor3", "factor4", "factor5", "factor6", "factor7"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "
Bereken:
\n$(\\var{factor1})\\cdot(\\var{factor2})=$[[0]]
\n$(\\var{factor3})\\cdot(\\var{factor1})=$[[1]]
\n$(\\var{factor7})\\cdot(\\var{factor6})\\cdot(\\var{factor5})=$[[2]]
\n$(\\var{factor2})\\cdot(\\var{factor7})\\cdot(\\var{factor5})\\cdot(\\var{factor4})=$[[3]]
", "stepsPenalty": 0, "steps": [{"type": "information", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Vermenigvuldig de absolute waardes ( de getallen zonder hun toestandsteken).
\nTel het aantal mintekens in de opgave:
\nOneven aantal mintekens --> negatief
\nEven aantal mintekens --> positief
\nVoorbeeld: $ 2 \\cdot -9$
\nAbsolute waarde 2 maal absolute waarde 9 = 18
Hier tellen we 1 minteken. 1 is een oneven getal, dus het antwoord is negatief.
Het resultaat is dus -18.
\nVoorbeeld: $ -2 \\cdot -9$
\nAbsolute waarde 2 maal absolute waarde 9 = 18
Hier tellen we 2 mintekens. 2 is een even getal, dus het antwoord is positief.
Het resultaat is dus 18.
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\n$(\\var{deeltal1}):(\\var{deler1})$= [[0]]
\n$(\\var{deeltal2}):1$=[[1]]
\n$(\\var{deeltal2}):(-1)$=[[2]]
\n$0:(\\var{deler1})$=[[3]]
\n", "stepsPenalty": 0, "steps": [{"type": "information", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Deel de absolute waardes ( de getallen zonder hun toestandsteken).
\nTel het aantal mintekens in de opgave:
\nOneven aantal mintekens --> negatief
\nEven aantal mintekens --> positief
\nVoorbeeld: $ 27 \\div -9$
\nAbsolute waarde 27 : absolute waarde 9 = 3
Hier tellen we 1 minteken. 1 is een oneven getal, dus het antwoord is negatief.
Het resultaat is dus -3.
\nVoorbeeld: $ -27 \\cdot -9$
\nAbsolute waarde 27 : absolute waarde 9 = 3
Hier tellen we 2 mintekens. 2 is een even getal, dus het antwoord is positief.
Het resultaat is dus 3.
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true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Vul het ontbrekende getal in:
\n[[0]]$:(\\var{deler1})=\\var{quot1}$
\n$\\var{deeltal2}:$ [[1]]$=\\var{quot2}$ (als het antwoord negatief is mag je hier geen haakjes invullen omdat de computer dit niet begrijpt)
", "stepsPenalty": 0, "steps": [{"type": "information", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Even mintekens--> positief
\nOneven mintekens --> negatief
\n"}], "gaps": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "deeltal1", "maxValue": "deeltal1", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "deler2", "maxValue": "deler2", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Vul het ontbrekende getal in:
\n[[0]]$\\cdot\\var{factor2}=\\var{prod1}$
\n$\\var{factor3}\\cdot$ [[1]]$=\\var{prod2}$(als het antwoord negatief is mag je hier geen haakjes invullen omdat de computer dit niet begrijpt)
", "stepsPenalty": 0, "steps": [{"type": "information", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Even mintekens--> positief
\nOneven mintekens --> negatief
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