Basics, percentage of an amount, converting to fractions and decimals.

Simple Percentages

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Used for LANTITE preparation (Australia). NC = Non Calculator strand. NA = Number & Algebra strand. Students are given a proportion of students who DO speak a language other than English at home, and are asked to find the percentage who do NOT. The fraction denominator is either 20 or 25, and the numerator is randomised.

This exam is Mini Test 1 in semester 1 of INU0111/0511.

Students are assessed on weeks 2 and 3.

The topics are percentages and investment.

This exam is Mini Test 1 in semester 1 of INU0111/0511.

Students are assessed on weeks 2 and 3.

The topics are percentages and investment.

A quick practice set of problems for education students to take in preparation for their numeracy test.

Percentage of an amount

A quick practice set of problems for education students to take in preparation for their numeracy test.

A quick practice set of problems for education students to take in preparation for their numeracy test.

Used for LANTITE preparation (Australia). NA = Number & Algebra strand. SP = Statistics & Probability strand. Students read a percentage from the chart, and calculate that percentage of the number of children (randomly generated).

Students are asked to move an x-axis slider representing standard deviation on a normal distribution to make the area between (mean - slider value) and (mean + slider value) equal to a certain percentage. The 3 possible percentages correspond to the mean plus or minus 1, 2 or 3 standard deviations.

Students are asked to move an x-axis slider on a normal distribution to make the area to the left of the slider equal to a certain percentage. The 6 possible percentages correspond to the mean plus or minus 1, 2 or 3 standard deviations.

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Calculating the nutritional values of cereal as percentages of servings and RDAs

Calculating the revenue distribution of two phone providers for different countries in Europe

Calculating a salesperson's income based on years of service and commission from sales

Given x and y, calculate (x-y) as a percentage of y.  Chemistry context.

Calculating the original amount when told that $p\%$ is $x$. The value given can be non-integer.

Calculating the original amount when told that $p\%$ is $x$. The value given and the original values are both integers.

Given the number of international students enrolled on a course of $n$ students, calculate the percentage of 'home' students.

Calculate one number as percentage of another.

Writing one number as a percentage of another.

One number as a percentage of another.  Biology context. Includes standard form.
Realistic values.

Find the original price before a discount by dividing the new price by the percentage discount.

Used for LANTITE preparation (Australia). NA = Number & Algebra strand. Students are shown an infographic, and need to calculate a percentage from the information supplied. There are 7 different versions of this question.

Used for LANTITE preparation (Australia). NA = Number & Algebra strand. Students are given the number of years worked, and the price paid. They use the table to look up the percentage discount, then calculate the full price. The number of years and price paid are randomised.

Introduction to percentage

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Given an equation of the form $m=m_0 e^{-kt}$ to model the mass of a radioactive material, calculate the decay constant $k$ and the time taken for the material to reach a certain percentage of its initial mass. 

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