How could I make graph 2 from graph 1? Can you work out the equation of graph 2?
Graph 3 has equation y=sin2x. […]
Comparing investments: there are six investments. Find all the representations (description, formula, graph and table of values) of a single investment. After this, work out which statement fits with which investment.
The teacher leads a very short discussion about the different types of investments, reminding the learners about simple and compound interest. He or […]
This lesson is about moving between different representations of distance-time functions, namely between graphs, stories and tables. This activity should be given to the class as a formative assessment activity: it is designed to provide the teacher with information about the learners’ current levels of understanding.
During a short introduction the teacher displays a […]
The graph shows the distance along a race track for two racing cars as they approach a bend in a race. Copy the table below, take readings from the graph and fill in the table for the first 10 seconds.
How far does each car go in the 3rd second? How far […]
The ages of children arriving at a zoo in 1 hour are noted by the ticket salesman. There are 12 children between 0 and 3 years old, 14 children between 4 and 10 years old and 48 between 11 and 18 years old.
He draws a bar graph or frequency diagram to represent this […]
The data shows how many goals the teams scored in their matches.
There are six sets of data, three showing the results for Alpha United and three for Beta Rovers.
Match the data to the teams and explain your answers.
See the […]
Complete the table and draw a histogram to represent this data. Comment on the distribution.
Remember that for a histogram the area in each column represents the frequency for that class.
You can see that almost half the population is under 25 years old. […]
(1) Plot the graphs of the straight lines y = x, y = 1.1x – 0.2 and y = 0.9x – 0.1
What do the graphs tell you about the solutions to the two pairs of simultaneous equations y = x y = 1.1x – 0.2 and y = x y = 0.9x – 0.1 […]
The histogram shows the number of children in each age group on a school bus. There are no children under 5 years and no children over 17 years. There are 6 children aged between 5 and 10 years . Explain why the class boundaries are 5, 11, 16 and 18. Complete the following table. […]
If an object depreciates in value by 10% each year how long will it take until only half of the original value remains?
Why aren’t these two answers the same?
Is there a rate, used […]