655 results authored by Christian Lawson-Perfect - search across all users.
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Given a set of curves on axes, generated from a function and its first two derivatives, identify which curve corresponds to which derivative.
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Based on section 3 of the maths-aid/mathcentre workbook on numerical reasoning.
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Tiny demo question for the polynomials extension.
It's important to wrap the student's answer in
polynomial()in the marking script, otherwise the marking doesn't work. -
Questions about percentage and ratio, applied to finance.
Based on section 3.2 of the Maths-Aid workbook on numerical reasoning.
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Three items of work done on a car. Given total price, and a couple of ratios of prices between pairs of items, work out the cost of one of the items.
Based on question 4 from section 3 of the Maths-Aid workbook on numerical reasoning.
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Given ratio of ingredients in a preparation, and amounts of each ingredient, work out how much of the preparation you can make.
Based on question 5 from section 3 of the maths-aid workbook on numerical reasoning.
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Compute the weighted average salary in a department, given four salary levels and the percentages of staff earning them.
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Following part 2, "Questions on Data Tables", from the Maths Aid workbook "Numerical reasoning tests".
Only doing the first 4 questions because the others involve trends that need lots more thinking about how to randomise.
Not finished!
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Scale a page to some percentage of its original size, then increase/decrease by another percentage. Find the size of the final copy as a percentage of the original.
Based on question 2 from section 3 of the Maths-Aid workbook on numerical reasoning.
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Given the selling price of an item both as a cash amount and as a percentage of the cost of production, find the cost of production and the profit.
Based on question 1 from section 3 of the Maths-Aid workbook on numerical reasoning.
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Given cost of production and price of sale of a product; a percentage increase in cost of production; and unit sales before and after; work out the extra profit.
Based on question 6 from section 3 of the maths-aid workbook on numerical reasoning.
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Given percentages of males and females working on a project, and the percentage of the total staff who are male (or female), find the percentage of all staff working on the project.
Based on question 3 from section 3 of the maths-aid workbook on numerical reasoning.
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Given the cost to produce an item and a desired markup, calculate the appropriate sale price.
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Based on section 3 of the maths-aid/mathcentre workbook on numerical reasoning.
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Questions about percentage and ratio, applied to finance.
Based on section 3.2 of the Maths-Aid workbook on numerical reasoning.
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Template question. The student is asked to perform a two factor ANOVA to test the null hypotheses that the measurement does not depend on each of the factors, and that there is no interaction between the factors.
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A really simple question which asks the student to multiply two matrices.
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10 questions on the product rule in differentiation.
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Diagnostic testing on differentiation.
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8 questions on the quotient rule in differentiation.
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4 questions testing the precedence of operations applied to integers. In other words testing BIDMAS: Brackets, Indices, Division/Multiplication and Addition/Subtraction.
