// Numbas version: finer_feedback_settings
{"name": "visual multiplication", "extensions": [], "custom_part_types": [], "resources": [["question-resources/21x43_visual1.svg", "/srv/numbas/media/question-resources/21x43_visual1.svg"], ["question-resources/21x43_visual2.png", "/srv/numbas/media/question-resources/21x43_visual2.png"], ["question-resources/21x43_visual3.svg", "/srv/numbas/media/question-resources/21x43_visual3.svg"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "visual multiplication", "tags": [], "metadata": {"description": "<p>Multiplication of 2-digit numbers expressed visually</p>", "licence": "Creative Commons Attribution-NonCommercial 4.0 International"}, "statement": "<p></p>\n<p><img src=\"resources/question-resources/21x43_visual1.svg\" width=\"1242\" height=\"1340\"/></p>", "advice": "<p>TO DETERMINE THE ANSWER SHOWN</p>\n<p>Circle each group of intersecting points into 3 sets - left, right and 2 in the centre together</p>\n<p><img src=\"resources/question-resources/21x43_visual2.png\"/></p>\n<p>Count the number of points in each set</p>\n<p><img src=\"resources/question-resources/21x43_visual3.svg\"/></p>\n<p>ANSWER = Left set, middle set, right set. &nbsp;If any set has 2 digits, write the last digit in the space and add the first digit to the set in front of it.</p>\n<p>8 6+4 3</p>\n<p>8 10 3 so add the 1 to the 8</p>\n<p>ANSWER = 903</p>\n<p></p>\n<p>TO FIND THE PROBLEM SHOWN</p>\n<p>Count the vertical lines as they are grouped</p>\n<p>2 lines on the left and 1 line on the right gives 21</p>\n<p>Now count the horizonatl lines in their groups</p>\n<p>4 lines on top and 3 lines on the bottom gives 43</p>\n<p>PROBLEM IS 21 x 43</p>", "rulesets": {}, "extensions": [], "variables": {"a": {"name": "a", "group": "Ungrouped variables", "definition": "21", "description": "", "templateType": "number"}, "b": {"name": "b", "group": "Ungrouped variables", "definition": "43", "description": "", "templateType": "number"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["a", "b"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": "3", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>What is the soliution shown in the diagram above?</p>", "minValue": "21*43", "maxValue": "21*43", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "jme", "useCustomName": false, "customName": "", "marks": "2", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>What is the problem shown in the diagram above?</p>", "answer": "21*43", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "valuegenerators": []}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question", "contributors": [{"name": "Maureen Clement", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/10374/"}]}]}], "contributors": [{"name": "Maureen Clement", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/10374/"}]}