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{"percentPass": 0, "showstudentname": true, "feedback": {"feedbackmessages": [], "intro": "", "advicethreshold": 0, "showtotalmark": true, "showanswerstate": true, "showactualmark": true, "allowrevealanswer": true}, "duration": 0, "showQuestionGroupNames": false, "question_groups": [{"name": "Group", "pickQuestions": 1, "pickingStrategy": "all-ordered", "questions": [{"name": "Writing a simple ratio", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Rachel Staddon", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/901/"}], "statement": "<p>We can mix purple paint from red and blue paint. Write the following combination of red and blue paint as an unsimplified ratio:</p>\n<p>{a} parts of red paint to {b} parts of blue paint</p>", "variables": {"a": {"group": "Ungrouped variables", "name": "a", "templateType": "anything", "description": "", "definition": "random(1..10)"}, "d": {"group": "Ungrouped variables", "name": "d", "templateType": "anything", "description": "", "definition": "random(1..10)"}, "cy": {"group": "Ungrouped variables", "name": "cy", "templateType": "anything", "description": "", "definition": "c*y"}, "b": {"group": "Ungrouped variables", "name": "b", "templateType": "anything", "description": "", "definition": "random(1..10)"}, "y": {"group": "Ungrouped variables", "name": "y", "templateType": "anything", "description": "", "definition": "random(1..5)"}, "ax": {"group": "Ungrouped variables", "name": "ax", "templateType": "anything", "description": "", "definition": "a*x"}, "bx": {"group": "Ungrouped variables", "name": "bx", "templateType": "anything", "description": "", "definition": "b*x"}, "dy": {"group": "Ungrouped variables", "name": "dy", "templateType": "anything", "description": "", "definition": "d*y"}, "c": {"group": "Ungrouped variables", "name": "c", "templateType": "anything", "description": "", "definition": "random(1..20)"}, "x": {"group": "Ungrouped variables", "name": "x", "templateType": "anything", "description": "", "definition": "random(1..10)"}}, "metadata": {"licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International", "description": "<p>Converting into a ratio</p>"}, "parts": [{"variableReplacements": [], "scripts": {}, "variableReplacementStrategy": "originalfirst", "marks": 0, "showFeedbackIcon": true, "prompt": "<p>[[0]]:[[1]]</p>", "showCorrectAnswer": true, "gaps": [{"correctAnswerStyle": "plain", "marks": 1, "variableReplacementStrategy": "originalfirst", "maxValue": "a", "variableReplacements": [], "showCorrectAnswer": true, "minValue": "a", "type": "numberentry", "correctAnswerFraction": false, "showFeedbackIcon": true, "mustBeReduced": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReducedPC": 0, "scripts": {}, "allowFractions": false}, {"correctAnswerStyle": "plain", "marks": 1, "variableReplacementStrategy": "originalfirst", "maxValue": "b", "variableReplacements": [], "showCorrectAnswer": true, "minValue": "b", "type": "numberentry", "correctAnswerFraction": false, "showFeedbackIcon": true, "mustBeReduced": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReducedPC": 0, "scripts": {}, "allowFractions": false}], "type": "gapfill"}], "tags": [], "ungrouped_variables": ["a", "b", "c", "ax", "x", "bx", "d", "y", "cy", "dy"], "functions": {}, "rulesets": {}, "preamble": {"js": "", "css": ""}, "advice": "<p>Remember you can write ratios like so:</p>\n<p>If I have&nbsp;<em>n</em>&nbsp;apples and&nbsp;x oranges, the ratio of apples to oranges is <i>n</i>:x</p>\n<p></p>", "variable_groups": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "type": "question"}, {"name": "Writing a simple ratio 2", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Rachel Staddon", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/901/"}], "functions": {}, "metadata": {"licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International", "description": "<p>Converting into a ratio</p>"}, "tags": [], "ungrouped_variables": ["a", "b", "c", "ax", "x", "bx", "d", "y", "cy", "dy"], "variables": {"y": {"templateType": "anything", "group": "Ungrouped variables", "definition": "random(1..5)", "description": "", "name": "y"}, "dy": {"templateType": "anything", "group": "Ungrouped variables", "definition": "d*y", "description": "", "name": "dy"}, "cy": {"templateType": "anything", "group": "Ungrouped variables", "definition": "c*y", "description": "", "name": "cy"}, "d": {"templateType": "anything", "group": "Ungrouped variables", "definition": "random(1..10)", "description": "", "name": "d"}, "ax": {"templateType": "anything", "group": "Ungrouped variables", "definition": "a*x", "description": "", "name": "ax"}, "b": {"templateType": "anything", "group": "Ungrouped variables", "definition": "random(1..10)", "description": "", "name": "b"}, "c": {"templateType": "anything", "group": "Ungrouped variables", "definition": "random(1..20)", "description": "", "name": "c"}, "x": {"templateType": "anything", "group": "Ungrouped variables", "definition": "random(1..10)", "description": "", "name": "x"}, "bx": {"templateType": "anything", "group": "Ungrouped variables", "definition": "b*x", "description": "", "name": "bx"}, "a": {"templateType": "anything", "group": "Ungrouped variables", "definition": "random(1..10)", "description": "", "name": "a"}}, "statement": "<p>A mixologist adds {a} parts of rum to {b} parts of pineapple juice. Write this mixture&nbsp;as an unsimplified ratio:</p>\n<p></p>", "rulesets": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "advice": "<p>Remember you can write ratios like so:</p>\n<p>If I have&nbsp;<em>n</em>&nbsp;apples and&nbsp;x oranges, the ratio of apples to oranges is <i>n</i>:x</p>\n<p></p>", "parts": [{"gaps": [{"type": "numberentry", "showFeedbackIcon": true, "minValue": "a", "marks": 1, "showCorrectAnswer": true, "allowFractions": false, "correctAnswerStyle": "plain", "mustBeReducedPC": 0, "variableReplacementStrategy": "originalfirst", "correctAnswerFraction": false, "mustBeReduced": false, "scripts": {}, "notationStyles": ["plain", "en", "si-en"], "maxValue": "a", "variableReplacements": []}, {"type": "numberentry", "showFeedbackIcon": true, "minValue": "b", "marks": 1, "showCorrectAnswer": true, "allowFractions": false, "correctAnswerStyle": "plain", "mustBeReducedPC": 0, "variableReplacementStrategy": "originalfirst", "correctAnswerFraction": false, "mustBeReduced": false, "scripts": {}, "notationStyles": ["plain", "en", "si-en"], "maxValue": "b", "variableReplacements": []}], "showCorrectAnswer": true, "showFeedbackIcon": true, "prompt": "<p>[[0]]:[[1]]</p>", "variableReplacementStrategy": "originalfirst", "marks": 0, "type": "gapfill", "scripts": {}, "variableReplacements": []}], "preamble": {"js": "", "css": ""}, "variable_groups": [], "type": "question"}, {"name": " Writing a simplified simple ratio", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Rachel Staddon", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/901/"}], "parts": [{"sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "showCorrectAnswer": true, "unitTests": [], "prompt": "<p>[[0]]:[[1]]</p>", "gaps": [{"variableReplacementStrategy": "originalfirst", "minValue": "c", "type": "numberentry", "showCorrectAnswer": true, "unitTests": [], "showFeedbackIcon": true, "correctAnswerFraction": false, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"], "extendBaseMarkingAlgorithm": true, "mustBeReduced": false, "maxValue": "c", "marks": 1, "mustBeReducedPC": 0, "scripts": {}, "variableReplacements": [], "allowFractions": false, "correctAnswerStyle": "plain"}, {"variableReplacementStrategy": "originalfirst", "minValue": "d", "type": "numberentry", "showCorrectAnswer": true, "unitTests": [], "showFeedbackIcon": true, "correctAnswerFraction": false, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"], "extendBaseMarkingAlgorithm": true, "mustBeReduced": false, "maxValue": "d", "marks": 1, "mustBeReducedPC": 0, "scripts": {}, "variableReplacements": [], "allowFractions": false, "correctAnswerStyle": "plain"}], "showFeedbackIcon": true, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "marks": 0, "scripts": {}, "variableReplacements": []}], "advice": "<p>Remember you can write ratios like so:</p>\n<p>If I have&nbsp;<em>n</em>&nbsp;apples and&nbsp;x oranges, the ratio of apples to oranges is <i>n</i>:x</p>\n<p></p>", "variablesTest": {"condition": "", "maxRuns": 100}, "statement": "<p>We can mix purple paint from red and blue paint. Write the following combination of red and blue paint as a ratio in its simplest form:</p>\n<p>{cy} parts of red paint to {dy} parts of blue paint</p>", "metadata": {"licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International", "description": "<p>Converting into a ratio</p>"}, "variables": {"y": {"description": "", "definition": "random(1..5)", "templateType": "anything", "group": "Ungrouped variables", "name": "y"}, "d": {"description": "", "definition": "random([1,2,3,5] except c)", "templateType": "anything", "group": "Ungrouped variables", "name": "d"}, "b": {"description": "", "definition": "random([1,2,3,5,7,11,13] except a)", "templateType": "anything", "group": "Ungrouped variables", "name": "b"}, "ax": {"description": "", "definition": "a*x", "templateType": "anything", "group": "Ungrouped variables", "name": "ax"}, "cy": {"description": "", "definition": "c*y", "templateType": "anything", "group": "Ungrouped variables", "name": "cy"}, "dy": {"description": "", "definition": "d*y", "templateType": "anything", "group": "Ungrouped variables", "name": "dy"}, "bx": {"description": "", "definition": "b*x", "templateType": "anything", "group": "Ungrouped variables", "name": "bx"}, "c": {"description": "", "definition": "random([1,2,3,5])", "templateType": "anything", "group": "Ungrouped variables", "name": "c"}, "x": {"description": "", "definition": "random(1..10)", "templateType": "anything", "group": "Ungrouped variables", "name": "x"}, "a": {"description": "", "definition": "random([1,2,3,5,7,11])", "templateType": "anything", "group": "Ungrouped variables", "name": "a"}}, "variable_groups": [], "tags": [], "rulesets": {}, "preamble": {"js": "", "css": ""}, "ungrouped_variables": ["a", "b", "c", "ax", "x", "bx", "d", "y", "cy", "dy"], "functions": {}, "type": "question"}, {"name": "Writing a simplified simple ratio 2", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Rachel Staddon", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/901/"}], "parts": [{"variableReplacementStrategy": "originalfirst", "sortAnswers": false, "type": "gapfill", "showCorrectAnswer": true, "unitTests": [], "showFeedbackIcon": true, "gaps": [{"customMarkingAlgorithm": "", "variableReplacementStrategy": "originalfirst", "minValue": "c", "type": "numberentry", "mustBeReduced": false, "unitTests": [], "showFeedbackIcon": true, "maxValue": "c", "showCorrectAnswer": true, "notationStyles": ["plain", "en", "si-en"], "extendBaseMarkingAlgorithm": true, "marks": 1, "correctAnswerFraction": false, "mustBeReducedPC": 0, "scripts": {}, "variableReplacements": [], "allowFractions": false, "correctAnswerStyle": "plain"}, {"customMarkingAlgorithm": "", "variableReplacementStrategy": "originalfirst", "minValue": "d", "type": "numberentry", "mustBeReduced": false, "unitTests": [], "showFeedbackIcon": true, "maxValue": "d", "showCorrectAnswer": true, "notationStyles": ["plain", "en", "si-en"], "extendBaseMarkingAlgorithm": true, "marks": 1, "correctAnswerFraction": false, "mustBeReducedPC": 0, "scripts": {}, "variableReplacements": [], "allowFractions": false, "correctAnswerStyle": "plain"}, {"customMarkingAlgorithm": "", "variableReplacementStrategy": "originalfirst", "minValue": "d", "type": "numberentry", "mustBeReduced": false, "unitTests": [], "showFeedbackIcon": true, "maxValue": "d", "showCorrectAnswer": true, "notationStyles": ["plain", "en", "si-en"], "extendBaseMarkingAlgorithm": true, "marks": 1, "correctAnswerFraction": false, "mustBeReducedPC": 0, "scripts": {}, "variableReplacements": [], "allowFractions": false, "correctAnswerStyle": "plain"}], "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "marks": 0, "scripts": {}, "variableReplacements": [], "prompt": "<p>[[0]]:[[1]]:[[2]]</p>"}], "advice": "<p>Remember you can write ratios like so:</p>\n<p>If I have&nbsp;<em>n</em>&nbsp;apples and&nbsp;x oranges, the ratio of apples to oranges is <i>n</i>:x</p>\n<p></p>", "variablesTest": {"condition": "", "maxRuns": 100}, "statement": "<p>A daiquiri is made from a mixture of rum, lime juice, and sugar syrup. Write the following combination of daiquiri ingredients&nbsp;as a ratio in its simplest form:</p>\n<p>{cy} parts of&nbsp;rum to {dy} parts of&nbsp;lime juice to {dy} parts of sugar syrup</p>", "metadata": {"licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International", "description": "<p>Converting into a ratio</p>"}, "variables": {"cy": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "c*y", "name": "cy"}, "d": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random([1,2,3,5,7,11] except [a,b,c])", "name": "d"}, "ax": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "a*x", "name": "ax"}, "b": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random([1,2,3,5,7,11] except a)", "name": "b"}, "dy": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "d*y", "name": "dy"}, "bx": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "b*x", "name": "bx"}, "c": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random([1,2,3,5,7,11] except [a,b])", "name": "c"}, "x": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random(1..10)", "name": "x"}, "y": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random(1..5)", "name": "y"}, "a": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random([1,2,3,5,7,11])", "name": "a"}}, "variable_groups": [], "tags": [], "rulesets": {}, "preamble": {"js": "", "css": ""}, "ungrouped_variables": ["a", "b", "c", "ax", "x", "bx", "d", "y", "cy", "dy"], "functions": {}, "type": "question"}]}], "name": "Writing simple ratios", "timing": {"allowPause": true, "timeout": {"action": "none", "message": ""}, "timedwarning": {"action": "none", "message": ""}}, "metadata": {"description": "<p>Questions about writing simple ratios from raw amounts.</p>", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "navigation": {"showresultspage": "oncompletion", "showfrontpage": true, "reverse": true, "onleave": {"action": "none", "message": ""}, "browse": true, "allowregen": true, "preventleave": true}, "type": "exam", "contributors": [{"name": "Rachel Staddon", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/901/"}], "extensions": [], "custom_part_types": [], "resources": []}