// Numbas version: finer_feedback_settings
{"name": "Adding fractional amounts of the same variable.", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "ungrouped_variables": ["n", "q", "m", "p", "v", "num", "denom", "addnum", "adddenom", "mult", "multnum", "multdenom", "dec"], "name": "Adding fractional amounts of the same variable.", "tags": ["addition", "fractions"], "advice": "<p>Recall that to add fractions you first need to find a common denominator.</p>\n<p>You then need to write both fractions in terms of this common denominator; then you can add the numerators.</p>\n<p>You <strong>cannot </strong>just add the original numerators and denominators.</p>", "rulesets": {}, "parts": [{"matrix": ["0", "1", "0", "0"], "shuffleChoices": true, "marks": 0, "variableReplacements": [], "choices": ["<p>&nbsp;$ \\dfrac{\\var{num}}{\\var{denom}}\\var{v}$<span style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"></span></p>\n<p></p>", "<p>$\\dfrac{\\var{addnum}}{\\var{adddenom}}\\var{v}$</p>", "<p>$\\dfrac{\\var{multnum}}{\\var{multdenom}} \\var{v}$</p>", "<p>$\\var{dec} \\var{v}$</p>"], "variableReplacementStrategy": "originalfirst", "displayType": "radiogroup", "maxMarks": "1", "scripts": {}, "distractors": ["", "", "", ""], "displayColumns": 0, "showCorrectAnswer": true, "type": "1_n_2", "minMarks": 0}], "extensions": [], "statement": "<p>Which one of the following expressions is not equal to $ \\dfrac {\\var{m}}{\\var{n}} \\var{v} + \\dfrac{\\var{p}}{\\var{q}} \\var{v}$?</p>", "variable_groups": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "preamble": {"css": "", "js": ""}, "variables": {"adddenom": {"definition": "n+q", "templateType": "anything", "group": "Ungrouped variables", "name": "adddenom", "description": ""}, "m": {"definition": "random(3,7,9)", "templateType": "anything", "group": "Ungrouped variables", "name": "m", "description": ""}, "addnum": {"definition": "m + P", "templateType": "anything", "group": "Ungrouped variables", "name": "addnum", "description": ""}, "n": {"definition": "Random(2,4,5)", "templateType": "anything", "group": "Ungrouped variables", "name": "n", "description": ""}, "q": {"definition": "random(2..5 except[3,n])", "templateType": "anything", "group": "Ungrouped variables", "name": "q", "description": ""}, "p": {"definition": "random(1,3,7)", "templateType": "anything", "group": "Ungrouped variables", "name": "p", "description": ""}, "multdenom": {"definition": "Mult*denom", "templateType": "anything", "group": "Ungrouped variables", "name": "multdenom", "description": ""}, "num": {"definition": "(m*q+p*n)", "templateType": "anything", "group": "Ungrouped variables", "name": "num", "description": ""}, "multnum": {"definition": "mult*num", "templateType": "anything", "group": "Ungrouped variables", "name": "multnum", "description": ""}, "v": {"definition": "random('$v$', '$t$', '$n$')", "templateType": "anything", "group": "Ungrouped variables", "name": "v", "description": ""}, "denom": {"definition": "n*q", "templateType": "anything", "group": "Ungrouped variables", "name": "denom", "description": ""}, "dec": {"definition": "num/denom", "templateType": "anything", "group": "Ungrouped variables", "name": "dec", "description": ""}, "mult": {"definition": "random(4..9)", "templateType": "anything", "group": "Ungrouped variables", "name": "mult", "description": ""}}, "metadata": {"description": "<p class=\"MsoNormal\">Calculate the expression $\\frac{12}{4}a+\\frac{3}{5}a$. One of the following is not correct, which one?<o:p></o:p></p>", "licence": "Creative Commons Attribution 4.0 International"}, "type": "question", "showQuestionGroupNames": false, "question_groups": [{"name": "", "pickingStrategy": "all-ordered", "pickQuestions": 0, "questions": []}], "contributors": [{"name": "Lois Rollings", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/326/"}]}]}], "contributors": [{"name": "Lois Rollings", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/326/"}]}