101 results authored by Lois Rollings - search across all users.
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Question in Algebra
Simple Linear Equation.
$ \dfrac{n}{a} \pm b = c$
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Question in Algebra
Solving simple simultaneous equations.
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Question in Mensuration
Recall and use of formulae for volume and surface area of a sphere.
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Question in Mensuration
Recall and interpretation of formula for area of a parallelogram.
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Question in Arithmetic
Distinguishing -(72) and (-7)2.
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Exam (3 questions) in Arithmetic
Questions on addition, subtraction, multiplication and powers of negative numbers.
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Question in Algebra
Equations of type ax-b = c.
Includes advice.
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Question in Using Numbas
Information on inputting powers.
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Question in Using Numbas
Instructions on inputting ratios of algebraic expressions. Could link to calculator input.
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Question in Using Numbas
How to input x^2 and x*y.
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Question in Matrices Questions
Multiplication of $2 \times 2$ matrices.