A lamp and a bulb together cost £32.
The lamp costs £30 more than the bulb.
How much does the bulb cost?
Tweet about this starter  Share 
Topics: Starter  Algebra  Money  Problem Solving  Simultaneous Equations
How did you use this starter? Can you suggest
how teachers could present or develop this resource? Do you have any comments? It is always useful to receive
feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
Click here to enter your comments.
If you don't have the time to provide feedback we'd really appreciate it if you could give this page a score! We are constantly improving and adding to these starters so it would be really helpful to know which ones are most useful. Simply click on a button below:
This starter has scored a mean of 3.8 out of 5 based on 150 votes.
Previous Day  This starter is for 22 January  Next Day
This activity is suitable for students of mathematics all around the world. Use the button below to change the currency symbol used to make it more relevant to your students. You may wish to choose an unfamiliar currency to extend your students' experience. 
Do you think the answer is £2?
If that is the case, the lamp must cost £30 more than that which is £32.
That means the total cost would be £34... wrong,
think again.
Here's another simple question that, for many people, does not have the intuitive answer.
In the final seconds of the marathon you overtake the person in second place. In what position do you finish?
Casio Classwiz CalculatorThere is currently a lot of talk about this new calculator being the best in its price range for use in the Maths classroom. The new ClassWiz features a highresolution display making it easier to view numerical formulas and symbols but it isn't a graphical calculator as such (it has the capacity to draw graphs on your smart phone or tablet, via a scannable QR code and an app). As well as basic spreadsheet mode and an equation solving feature you also get the ability to solve quadratic, cubic or quartic polynomial inequalities and the answer is given just as it should be written down, using the correct inequality symbols! This calculator has a highperformance processor and twice the memory of previous models ensuring speedy operation and superior computational power.more... 
Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Transum.org/go/?Start=January22
Here is the URL which will take them to a related student activity.