// Numbas version: exam_results_page_options
{"name": "Multiplication as division", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"ungrouped_variables": ["num", "den"], "preamble": {"css": "", "js": ""}, "parts": [{"marks": 0, "displayColumns": 0, "minMarks": 0, "shuffleChoices": false, "matrix": [0, "1"], "choices": ["<p>Yes, she is correct.</p>", "<p>No, she is incorrect.</p>"], "showFeedbackIcon": true, "prompt": "<p>&nbsp;Is Sally correct?</p>\n<p></p>", "distractors": ["", ""], "variableReplacementStrategy": "originalfirst", "type": "1_n_2", "scripts": {}, "displayType": "radiogroup", "showCorrectAnswer": true, "maxMarks": 0, "variableReplacements": []}], "metadata": {"description": "<p>Students seem to miss the fact that division is actually multiplication by the reciprocal or the inverse of multiplication. This question attempts to address that.</p>", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "variablesTest": {"condition": "", "maxRuns": 100}, "functions": {}, "extensions": [], "variable_groups": [], "advice": "<p>Sally can use her calculator to determine $\\var{num}\\times \\var{den}$ without using the multiplication button since $\\var{num}\\times \\var{den}=\\var{num}\\div\\frac{1}{\\var{den}}$.</p>\n<p></p>\n<p>For example, multiplying a number by 2 is the same as dividing that number by a half.&nbsp;</p>", "tags": [], "name": "Multiplication as division", "variables": {"den": {"name": "den", "group": "Ungrouped variables", "definition": "random(2..20)", "templateType": "anything", "description": ""}, "num": {"name": "num", "group": "Ungrouped variables", "definition": "random(20..180)", "templateType": "anything", "description": ""}}, "statement": "<p>The <strong>multiplication</strong>&nbsp;button on Sally's scientific calculator is broken. However, all the other buttons continue to work. Sally believes that it is now <strong>impossible</strong> to&nbsp;use her calculator to determine the value of such things as $\\var{num}\\times \\var{den}$.</p>", "rulesets": {}, "type": "question", "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}]}], "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}