// Numbas version: finer_feedback_settings
{"name": "BASIS: Maak een verhoudingstabel", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "BASIS: Maak een verhoudingstabel", "tags": [], "metadata": {"description": "<p>1) Randomiseer een waarde, bijvoorbeeld de prijs, en pas alles aan zodat het automatisch werkt.</p>\n<p>Een nuttig commando is <code>precround(...,2)</code> wat een getal op 2 cijfers na de komma afrondt.</p>\n<p>2) Randomiseer alle waardes. Het ideaalst lijkt mij het aantal initi&euml;le appels, de effectieve prijs per appel, en hoeveel appels je finaal zou kopen. Je kan dit doen door een lijst van goeie opties manueel in te geven, of door automatisch een goeie situatie te selecteren (moeilijker).</p>\n<p>Een nuttig commando is <code>gcd(a,b)</code> wat de grootste gemene deler geeft van 2 getallen (voor de middelste kolom in de verhoudingstabel).</p>", "licence": "Creative Commons Attribution-NonCommercial 4.0 International"}, "statement": "<p>Ik kocht net 4 appels voor &euro;3,5. Hoeveel zouden 6 appels me kosten?</p>", "advice": "<p>We starten met de onderstaande verhoudingstabel</p>\n<table style=\"border: 1px solid black; border-collapse: collapse; margin-left: auto; margin-right: auto;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 109px;\">aantal appels</td>\n<td style=\"width: 46px;\">4</td>\n<td style=\"width: 128px;\">2</td>\n<td style=\"width: 117px;\">6</td>\n</tr>\n<tr>\n<td style=\"width: 109px;\">prijs</td>\n<td style=\"width: 46px;\">&euro;3,5</td>\n<td style=\"width: 128px;\"></td>\n<td style=\"width: 117px;\"></td>\n</tr>\n</tbody>\n</table>\n<p>Als we &euro;3,5 voor 4 appels betaalden, dan was het slechts de helft van de prijs voor 2 appels. Of dus, &euro;3,5/2=&euro;1,75</p>\n<p>Als we dan 6 appels zouden kopen, dan is het eigenlijk 3 keer 2 appels kopen. De prijs daarvoor is dus 3 keer &euro;1,75, dus &euro;5,25.</p>", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "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": "<p>Laat ons dit oplossen met een verhoudingstabel. Die ziet er zoals hieronder uit. Vervolledig de gaatjes!</p>\n<table style=\"border: 1px solid black; border-collapse: collapse; margin-left: auto; margin-right: auto;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 109px;\">aantal appels</td>\n<td style=\"width: 46px;\">4</td>\n<td style=\"width: 128px;\">2</td>\n<td style=\"width: 117px;\">6</td>\n</tr>\n<tr>\n<td style=\"width: 109px;\">prijs</td>\n<td style=\"width: 46px;\">&euro;3,5</td>\n<td style=\"width: 128px;\">&euro; [[0]]</td>\n<td style=\"width: 117px;\">&euro; [[1]]</td>\n</tr>\n</tbody>\n</table>\n<p></p>", "gaps": [{"type": "numberentry", "useCustomName": true, "customName": "pertweeappels", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "3.5/2", "maxValue": "3.5/2", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": true, "customName": "perzesappels", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "3.5/2*3", "maxValue": "3.5/2*3", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question", "contributors": [{"name": "Alexander Holvoet", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19859/"}], "resources": []}]}], "contributors": [{"name": "Alexander Holvoet", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19859/"}]}