126 results for "mathcentre".
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Exam (6 questions) in Content created by Newcastle University
This is out of date. There is a new "getting statrted" exam at https://numbas.mathcentre.ac.uk/exam/21108/getting-started/
6 questions which introduce the user to the Numbas system.
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Exam (2 questions) in .Algebra
Substitute a given value into a formula, and substitute an expression in terms of $x$ into a formula.
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Exam (1 question) in .Algebra
Rearrange equations to make $x$ the subject.
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Exam (1 question) in .Algebra
Rearrange equations to make $x$ the subject.
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Exam (2 questions) in .Algebra
Two questions on solving systems of simultaneous equations.
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Exam (4 questions) in .Statistics
Statistics and probability. Questions asking student to calculate and interpret Pearson and Spearman correlation coefficients.
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Exam (3 questions) in .Statistics
A resource for Business students to practise calculating Normal probabilities and finding $Z$-values.
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Exam (5 questions) in .Integral Calculus
5 questions on indefinite integration. Includes integration by parts and integration by substitution.
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Exam (5 questions) in .Integral Calculus
5 questions on definite integrals - integrate polynomials, trig functions and exponentials; find the area under a graph; find volumes of revolution.
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Exam (5 questions) in Bill's workspace
5 questions on confidence intervals and hypothesis testing. Population variance given, z-test. Not given, t-test.
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Question in Lineare Algebra 1
Direct calculation of low positive and negative powers of complex numbers. Calculations involving a complex conjugate. Powers of $i$. Four parts.
Original: https://numbas.mathcentre.ac.uk/question/11788/arithmetics-of-complex-numbers-v/ by Newcastle University Mathematics and Statistics
Tramslated to German
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Question in Lineare Algebra 1
Elementary examples of multiplication and addition of complex numbers. Four parts.
Original: https://numbas.mathcentre.ac.uk/question/11784/arithmetics-of-complex-numbers-i/ by Newcastle University Mathematics ans Statistics
Translated to German.
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Question in Lineare Algebra 1
Composite multiplication and division of complex numbers. Two parts.
Original: https://numbas.mathcentre.ac.uk/question/11787/arithmetics-of-complex-numbers-iv/ by Newcastle University Mathematics and Statistics
Translated to German
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Question in Lineare Algebra 1
Inverse and division of complex numbers. Four parts.
Original: https://numbas.mathcentre.ac.uk/question/11786/arithmetics-of-complex-numbers-iii/ by Newcastle University Mathematics and Statistics
Translated to German.
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Question in Lineare Algebra 1
Multiplication and addition of complex numbers. Four parts.
Original: https://numbas.mathcentre.ac.uk/question/11785/arithmetics-of-complex-numbers-ii/ by Newcastle University Mathematics and Statistics
Translated to German.
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Exam (3 questions) in Jos's workspace
A resource for Business students to practise calculating Normal probabilities and finding $Z$-values.
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Question in Lineare Algebra 1
Manipulate fractions in order to add and subtract them. The difficulty escalates through the inclusion of a whole integer and a decimal, which both need to be converted into a fraction before the addition/subtraction can take place.
https://numbas.mathcentre.ac.uk/question/22664/addition-and-subtraction-of-fractions/ by Lauren Richards
Translated to German and Part d) added.
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Question in Lineare Algebra 1
Finde die Bruchzahl, deren Wert sich von den anderen unterscheidet. Die Nenner sind meistens zwei- oder dreistellig.
Angepasste und übersetzte Version von https://numbas.mathcentre.ac.uk/question/23234/select-the-fraction-not-equivalent-to-the-others-large-denominators/ von Christian Lawson-Perfect.
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Question in Lineare Algebra 1
Solve for $x$: $\displaystyle \frac{px+s}{ax+b} = \frac{qx+t}{cx+d}$ with $pc=qa$.
German translation of https://numbas.mathcentre.ac.uk/question/12012/solve-an-equation-in-algebraic-fractions/ by Newcastle University Mathematics and Statistics
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Question in Lineare Algebra 1
This question tests the student's understanding of what is and is not a surd, and on their simplification of surds.
Translated to German, minor changes to advice section.
Original: https://numbas.mathcentre.ac.uk/question/22497/surds-simplification/ by Lauren Richards.
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Question in Lineare Algebra 1
Quadratwurzeln vereinfachen, Nenner rational machen
Deutsche Übersetzung von https://numbas.mathcentre.ac.uk/question/22587/using-surds-rationalising-the-denominator/ von Elliott Fletcher
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Question in Lineare Algebra 1
Schreibe $\displaystyle \frac{a} {b + \frac{c}{d}}$ als einen gekürzten Bruch $\displaystyle \frac{p}{q}$ mit ganzen Zahlen $p$ und $q$.
Angepasste, übersetzte und erweiterte Version von https://numbas.mathcentre.ac.uk/question/11701/simplifying-fractions/ von Newcastle University Mathematics and Statistics.
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Question in Bill's workspace
Find a regression equation.
Now includes a graph of the regression line and another interactive graph gives users the opportunity to move the regression line around. Could be used for allowing users to experiment with what they think the line should be and see how this compares with the calculated line.
Also includes an updated SSE to see how the sum of the squares of the residuals varies with the regression line.
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Question in Lineare Algebra 1
Find the equation of a straight line which has a given gradient $m$ and passes through the given point $(a,b)$.
Original: https://numbas.mathcentre.ac.uk/question/11698/equation-of-a-straight-line/ by Newcastle University Mathematics and Statistics,
translated to German, added Parts b), c), d), e)
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Question in Lineare Algebra 1
Rationalise the denominator with increasingly difficult examples involving compound denominators.
Translated to German, made some minor changes to Advice section.
Original: https://numbas.mathcentre.ac.uk/question/22555/rationalising-the-denominator-surds/ by Lauren Richards
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Question in Lineare Algebra 1
Decide whether statements about square and cube numbers are always true, sometimes true or never true.
German translation of https://numbas.mathcentre.ac.uk/question/22768/always-sometimes-or-never-square-and-cube-numbers/ von Stanislav Duris.
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Question in Lineare Algebra 1
Suche von den fünf gegebenen Bruchzahlen diejenige aus, die nicht denselben Wert hat wie alle anderen.
Quelle: Angepasste und übersetzte Version von https://numbas.mathcentre.ac.uk/question/23233/select-the-fraction-not-equivalent-to-the-others-small-denominators/ von Christian Lawson-Perfect.
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Question in Lineare Algebra 1
Identify well-known fractional equivalents of decimals. Convert obscure decimals and recurring decimals into fractions.
https://numbas.mathcentre.ac.uk/question/22784/decimals-to-fractions/ by Lauren Richards
Translated to German.
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Exam (5 questions) in Demos
This is an old demo. For a demonstration of Numbas's current features, please see the newest demo exam.
A few questions which show off various features of Numbas.
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Exam (4 questions) in mathcentre
4 questions on using partial fractions to solve indefinite integrals.