Simultaneous ShoppingFind the cost of the individual items in these shopping baskets given the basket totals. 
This is level 1. Find the cost of each type of item seen in these baskets. The total cost of all of the items in the baskets is shown. You will be awarded a trophy if you get at least 9 correct and you do this activity online.
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. 
InstructionsTry your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help. When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file. 




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The cost of each item can be represented as a letter. Use the total cost of each basket to form two equations.
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Level 1  Equations produced can be subtracted to eliminate one varable.
Level 2  Equations produced can be subtracted, after one has been multiplied, to eliminate one varable.
Level 3  Equations produced can be subtracted, after both have been multiplied, to eliminate one varable.
Level 4  Mixed questions, randomly generated with larger numbers.
Level 5  Shopping baskets containing items and coupons producing equations with some negative coefficients.
The situations in this set of exercises can be expressed as simultaneous equations. For more varied pairs of simultaneous equations try the following exercise:
Simultaneous Equations  A more traditional set of exercises using letters instead of pictures.
Exam Style Questions  A collection of problems in the style of GCSE or IB/Alevel exam paper questions (worked solutions are available for Transum subscribers).
More on this topic including lesson Starters, visual aids, investigations and selfmarking exercises.
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See the National Curriculum page for links to related online activities and resources.
The cost of each item can be represented as a letter. Use the total cost of each basket to form two sumultaneous equations. The video explains how simultaneous equations can be solved.
Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can doubleclick the 'Check' button to make it float at the bottom of your screen.
Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.
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