Questions on powers, the laws of indices, and exponential growth.

Several questions on rounding number and using approximations to estimate. Several real-world examples.

Arithmetic operations involving fractions; converting between decimals and fractions; deciding if fractions are equivalent.

Questions on adding, subtracting, multiplying and dividing numbers in standard form.

A collection of questions on working with units of measurement, mainly in the SI/metric system.

Several 'real-world' examples.

Questions involving various techniques for rearranging and solving quadratic expressions and equations

Some questions on working with surds.

Find the lowest common multiple and highest common factors of given numbers. Also a question on identifying prime numbers.

Questions on presenting data in charts or tables.

Calculate and work with measures of central tendency such as mean, median and mode, and measures of spread such as range and standard deviation.

Work with measurements of weight, mass and density.

Questions on rearranging expressions, expanding brackets and collecting like terms.

5 questions which introduce the student to the Numbas system.

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Simple Linear Equations, substitution

This quiz contains questions on functions, limits, logs, exponential functions, simultaneous equations and quadratic equations.

Questions on powers, the laws of indices, and exponential growth.

Questions on manipulating logarithms.

A collection of questions (frequently updated) to demonstrate the usage of the Logic extension.

Current questions:

• Make syllogisms (either valid, invalid or valid under an additional assumption);
• Write statements in Polish and reverse Polish notation, find the truth table, determine satisfiability;
• Test whether a collection of statements $\Gamma$ models a statement $\phi$;
• Write the Disjunctive and Conjunctive Normal Forms for a statement.

Needs the Logic Extension!

A set of MCQ designed to help Level 2 Engineering students prepare/practice for the on-line GOLA test that is used to assess the C&G 2850, Level 2 Engineering, Unit 202: Engineering Principles.

This quiz asks questions on basic techniques of differentation and some introductory applications.

5 questions on finding local and global maxima and minima on compact intervals and on the real line for differentiable functions.

Matrix addition, multiplication. Finding inverse. Determinants. Systems of equations.

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First- and second order recurrence equations, homogenous and nonhomogenous

Given two numbers, find the gcd, then use Bézout's algorithm to find $s$ and $t$ such that $as+bt=\operatorname{gcd}(a,b)$.

Finally, find all solutions of an equation $\mod b$.

Chemistry Calculations for Fourth Year Proect.