// Numbas version: exam_results_page_options
{"name": "Imperial to metric: stones and pounds to kilograms", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Imperial to metric: stones and pounds to kilograms", "tags": ["ephlth", "nursing", "units"], "metadata": {"description": "", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "<p>Complete the following&nbsp;conversion from imperial to metric units (preferably without the use of a calculator).</p>", "advice": "", "rulesets": {}, "extensions": [], "variables": {"totlbs": {"name": "totlbs", "group": "Ungrouped variables", "definition": "masslb+14*massst", "description": "", "templateType": "anything"}, "masskg": {"name": "masskg", "group": "Ungrouped variables", "definition": "totlbs*0.4536", "description": "", "templateType": "anything"}, "onedec": {"name": "onedec", "group": "Ungrouped variables", "definition": "precround(masskg,1)", "description": "", "templateType": "anything"}, "massst": {"name": "massst", "group": "Ungrouped variables", "definition": "random(7..20)", "description": "", "templateType": "anything"}, "st2lb": {"name": "st2lb", "group": "Ungrouped variables", "definition": "14*massst", "description": "", "templateType": "anything"}, "masslb": {"name": "masslb", "group": "Ungrouped variables", "definition": "random(1..13)", "description": "", "templateType": "anything"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["masslb", "masskg", "massst", "onedec", "totlbs", "st2lb"], "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>A patient reports their&nbsp;weight to be $\\var{massst} \\text{ st (stones) and } \\var{masslb} \\text{ lb (pounds)}$. Find their&nbsp;weight in kilograms correct to one decimal place by using that $1 \\text{ st} = 14 \\text{ lb}$ and $1 \\text{ lb} =&nbsp;0.4536 \\text{ kg}$.</p>\n<p></p>\n<p>Weight $=$&nbsp;[[0]] kg (1 dec. pl.)</p>", "stepsPenalty": "1", "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": "<p>$1 \\text{ st} = 14 \\text{lb}$, and so $\\var{massst} \\text{ st}= \\var{massst} \\times 14 \\text{ lbs} = \\var{st2lb} \\text{ lbs}$.</p>\n<p>Add on&nbsp;the additional $\\var{masslb} \\text{ lbs}$, and the patient's weight in pounds is $\\var{totlbs} \\text{ lbs}$.</p>\n<p>Given $1 \\text{ lb} =&nbsp;0.4536 \\text{ kg}$, we must have $\\var{totlbs} \\text{ lbs} = \\var{totlbs} \\times 0.4536 \\text{ kg}$.</p>\n<p></p>\n<p>We could use the calculator for this&nbsp;but we should also be able to do it without one.</p>\n<p>Without a calculator we determine $\\var{totlbs}\\times 4536$ (which is $\\var{precround(masskg*10000,0)}$) and&nbsp;then move the decimal place so we have four decimal places again (that is $\\var{masskg}$). Once we have done the multiplication we can then round to one decimal place (that is, <span data-jme-visible=\"mod(onedec,1)&lt;&gt;0\">$\\var{onedec}$</span> <span data-jme-visible=\"mod(onedec,1)=0\">$\\var{onedec}.0$</span>).</p>\n<p><span data-jme-visible=\"mod(onedec,1)=0\">$\\text{Weight} = \\var{masskg}\\text{ kg} = \\var{onedec}.0 \\text{ kg (1 dec. pl)}$</span></p>\n<p><span data-jme-visible=\"mod(onedec,1)&lt;&gt;0\">$\\text{Weight} = \\var{masskg}\\text{ kg} = \\var{onedec} \\text{ kg (1 dec. pl)}$</span></p>"}], "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": "onedec", "maxValue": "onedec", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "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/"}]}