Test
Percentages
Percentage tasks are mathematical problems where one needs to find a part or a percentage of the whole based on certain conditions or given values.
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Sample questions
- The regular price of the product is €___. Calculate the price of the product with a ___% discount.
- Calculate the area of the rectangle if one side is ___ cm and the other side is ___% longer.
- In the first year of harvest, the farmer collected ___ kg of apples. In the second year, ___% more than the first year. In the third year, ___% more than the second year. Calculate the total apple harvest the farmer collected over the three years.
- On the first day, ___% of the total distance was covered. On the second day, ___%. Calculate the percentage of the distance remaining to be covered.
- A fixed-term bank deposit earns ___% per year. Calculate the total amount accumulated over two years if the initial deposit was € ___.
Percentage problems
One percent is one hundredth of a whole. To find p% of a number, multiply by p/100. To find the whole from a known percentage part, divide the part by p/100.
Percentage change
For an increase or decrease, first calculate the amount of change and then add or subtract it. Check whether the question asks for the change itself or the new final value.
Related mathematics tests
Simple fractions
Operations with simple fractions are actions that can be performed with fractions consisting of two integers - the numerator and the denominator. The test includes addition, subtraction, multiplication, and division operations.
Integers and coordinates
Dynamic tasks on negative numbers, integer operations, the number line and the coordinate plane.
Angles
Angle calculation involves various operations such as addition, subtraction, multiplication, and division of angles. These calculations are often performed using trigonometric functions.
Natural numbers
This test reviews the four basic operations with natural numbers. Students add, subtract, multiply and divide, apply the order of operations and check whether a result is consistent with the conditions of the problem.
