6 results authored by Adelle Colbourn  search across all users.

Question in Adelle's workspace
Given a description in words of the costs of some items in terms of an unknown cost, write down an expression for the total cost of a selection of items. Then simplify the expression, and finally evaluate it at a given point.
The word problem is about the costs of sweets in a sweet shop.

Question in Adelle's workspace
A simple situational question about a box of chocolates, asking how many of each type there are, what percentage of the box they represent, the probability of picking one and ratios of different types.

Question in Adelle's workspace
This question provides a list of data to the student. They are asked to find the mean, median, mode and range.

Question in Adelle's workspace
Round random numbers to the closest whole number, 1 to 3 decimals places. Also rounding that could show common misunderstandings.

Question in Adelle's workspace
Converting between metres (m) and centimetres (cm).

Question in Adelle's workspace
An applied example of the use of two points on a graph to develop a straight line function, then use the t estimate and predict. MCQ's are also used to develop student understanding of the uses of gradient and intercepts as well as the limitations of prediction.