Stanislav Duris

Given a student discount, calculate a discounted price.

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

Given a table of data, calculate the mean, mode and median, and complete a frequency table.

Fill in a frequency table for grouped data, then estimate the mean and identify the modal class.

Given some numbers in standard index form, convert to decimal form.

Multiply two numbers in standard form, then divide two numbers in standard form.

Multiplication and division of upper and lower bounds.

Add two numbers in standard form, then subtract two numbers in standard form.

Convert a variety of numbers from decimal to standard index form.

Given two distributions, calculate the measures of average and spread and make some decisions based on the results.

Use the BODMAS rule to determine the order in which to evaluate some arithmetic expressions. 

Find the squares, and cubes, of some numbers.

Finally, find a square number between two given limits.

Calculate the interest accrued in a savings account, given the initial balance and annual interest rate.

Work with lower and upper bounds for estimates of weight.

Round some large integers to the a given power of ten.

Round numbers to a given number of decimal places.

Students are asked to estimate values in possible real-life scenarios.

Estimate the result of an arithmetic operation by first rounding numbers to given significant figures

Round numbers to a given number of significant figures.

Work out the average percentage increase per year in price of an item, given two prices several years apart.

Deicde whether each of the described sets of data is drawn from a discrete or continuous distribution.

Given an equation with an unknown, determine if the unknown is positive or negative.

First part is the product of two numbers; second part is the product of three.

Given the original price of a smartphone and the rate at which it decreases, calculate its price after a given number of months. In the second part, calculate the time remaining until the price goes below a certain point.

This question provides a list of data to the student. They are asked to find the mean, median, mode and range.

Fill in a table of powers of 10.

Decide whether statements about square and cube numbers are always true, sometimes true or never true.

Complete the inequality relationships by selecting the correct symbol from a drop down box

Addition and subtraction of integers and decimals.