// Numbas version: finer_feedback_settings {"name": "Simon's copy of Q3 Arithmetic", "extensions": [], "custom_part_types": [], "resources": [["question-resources/bodmas.png", "bodmas.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"statement": "
Evaluate the following to the nearest whole number, without using a calculator:
\n\nN.B. Rules
\n$(+) \\times (+) = (+)$
\n$(+) \\times (-) = (-)$
\n$(-) \\times (+) = (-)$
\n$(-) \\times (-) = (+)$
\n\nRemember the BODMAS rule
\n
$\\var{a1} \\times \\var{a2} - \\var{a3} \\times \\var{a4}$
\n[[0]]
", "showFeedbackIcon": true, "showCorrectAnswer": true, "gaps": [{"marks": 1, "customMarkingAlgorithm": "", "mustBeReducedPC": 0, "unitTests": [], "minValue": "{ans1}", "correctAnswerStyle": "plain", "showFeedbackIcon": true, "showCorrectAnswer": true, "correctAnswerFraction": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReduced": false, "extendBaseMarkingAlgorithm": true, "maxValue": "{ans1}", "variableReplacementStrategy": "originalfirst", "type": "numberentry", "allowFractions": false, "scripts": {}, "variableReplacements": []}], "extendBaseMarkingAlgorithm": true, "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "unitTests": [], "scripts": {}, "variableReplacements": []}, {"marks": 0, "customMarkingAlgorithm": "", "prompt": "$\\var{b1} + \\var{b2} \\div (\\var{b3}) + \\var{b4} \\times \\var{b5}$
\n[[0]]
", "showFeedbackIcon": true, "showCorrectAnswer": true, "gaps": [{"marks": 1, "customMarkingAlgorithm": "", "mustBeReducedPC": 0, "unitTests": [], "minValue": "{ans2}", "correctAnswerStyle": "plain", "showFeedbackIcon": true, "showCorrectAnswer": true, "correctAnswerFraction": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReduced": false, "extendBaseMarkingAlgorithm": true, "maxValue": "{ans2}", "variableReplacementStrategy": "originalfirst", "type": "numberentry", "allowFractions": false, "scripts": {}, "variableReplacements": []}], "extendBaseMarkingAlgorithm": true, "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "unitTests": [], "scripts": {}, "variableReplacements": []}, {"marks": 0, "customMarkingAlgorithm": "", "prompt": "$(\\var{c1} - \\var{c2}) \\times \\var{c3} - (\\var{c4} - \\var{c5})^2$
\n[[0]]
", "showFeedbackIcon": true, "showCorrectAnswer": true, "gaps": [{"marks": 1, "customMarkingAlgorithm": "", "mustBeReducedPC": 0, "unitTests": [], "minValue": "{ans3}", "correctAnswerStyle": "plain", "showFeedbackIcon": true, "showCorrectAnswer": true, "correctAnswerFraction": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReduced": false, "extendBaseMarkingAlgorithm": true, "maxValue": "{ans3}", "variableReplacementStrategy": "originalfirst", "type": "numberentry", "allowFractions": false, "scripts": {}, "variableReplacements": []}], "extendBaseMarkingAlgorithm": true, "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "unitTests": [], "scripts": {}, "variableReplacements": []}, {"marks": 0, "customMarkingAlgorithm": "", "prompt": "$(\\var{d1})^3 - (\\var{d2})^2 + (\\var{d3})^2$
\n[[0]]
", "showFeedbackIcon": true, "showCorrectAnswer": true, "gaps": [{"marks": 1, "customMarkingAlgorithm": "", "mustBeReducedPC": 0, "unitTests": [], "minValue": "{ans4}", "correctAnswerStyle": "plain", "showFeedbackIcon": true, "showCorrectAnswer": true, "correctAnswerFraction": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReduced": false, "extendBaseMarkingAlgorithm": true, "maxValue": "{ans4}", "variableReplacementStrategy": "originalfirst", "type": "numberentry", "allowFractions": false, "scripts": {}, "variableReplacements": []}], "extendBaseMarkingAlgorithm": true, "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "unitTests": [], "scripts": {}, "variableReplacements": []}, {"marks": 0, "customMarkingAlgorithm": "", "prompt": "$(\\var{e1})^2 - (\\var{e2})^3 - (\\var{e3})^3$
\n[[0]]
", "showFeedbackIcon": true, "showCorrectAnswer": true, "gaps": [{"marks": 1, "customMarkingAlgorithm": "", "mustBeReducedPC": 0, "unitTests": [], "minValue": "{ans5}", "correctAnswerStyle": "plain", "showFeedbackIcon": true, "showCorrectAnswer": true, "correctAnswerFraction": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReduced": false, "extendBaseMarkingAlgorithm": true, "maxValue": "{ans5}", "variableReplacementStrategy": "originalfirst", "type": "numberentry", "allowFractions": false, "scripts": {}, "variableReplacements": []}], "extendBaseMarkingAlgorithm": true, "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "unitTests": [], "scripts": {}, "variableReplacements": []}], "preamble": {"js": "", "css": ""}, "advice": "N.B. Rules
\n$(+) \\times (+) = (+)$
\n$(+) \\times (-) = (-)$
\n$(-) \\times (+) = (-)$
\n$(-) \\times (-) = (+)$
\n\n$(-(-a)) = (a)$ e.g $(-(-5)) = 5$
\n$(+(-a))$ or $(-(+a)) = (-a)$ e.g $(+(-5)) = -5$ or $(-(+5)) = -5$
\n\nIf both numbers are negative, keep the minus sign and add the numbers e.g
\n$(-9) + (-4)= -13$
\nIf the numbers have different signs, keep the sign of the bigger number abd subtract the smaller number from it e.g
\n$-15 + 20 = 5$ or $20 - 15 = 5$
\n\n", "ungrouped_variables": ["A1", "a2", "Ans1", "b1", "B2", "Ans2", "C1", "C2", "Ans3", "D1", "D2", "Ans4", "E1", "E2", "Ans5", "a3", "a4", "b3", "b4", "b5", "c3", "c4", "c5", "d3", "e3", "b111"], "rulesets": {}, "name": "Simon's copy of Q3 Arithmetic", "metadata": {"description": "rebelmaths
", "licence": "Creative Commons Attribution 4.0 International"}, "type": "question", "contributors": [{"name": "TEAME CIT", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/591/"}, {"name": "Simon Thomas", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3148/"}], "resources": ["question-resources/bodmas.png"]}]}], "contributors": [{"name": "TEAME CIT", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/591/"}, {"name": "Simon Thomas", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3148/"}]}