# Unit Pricing - Jigsaw Joke

## Calculate the unit cost of items to help determine which offers make the best buy.

##### Level 1Level 2Level 3Level 4Level 5DescriptionHelpMore...

Type in your answer in pounds (so 30p should be typed in as 0.30, £8 should be 8.00).

Each correct answer earns one piece of the jigsaw.

Drag the jigsaw pieces into this rectangle to assemble the joke!

Ha ha ha, that's so funny! Don't forget to collect your trophy using the button below.

 If 3kg of sugar costs £2.10 find the cost of 1kg £ If 2 litres of milk costs £1.76 find the cost of 1 litre £ If a 2kg bag of rice costs £2.86 find the cost of 1kg £ A bottle of tomato ketchup contains 250g and costs £1.30. How much would 1kg cost? £ A 200ml bottle of shampoo costs £1.60. How much will 1 litre of the shampoo cost at the same rate? £ A 50g piece of chocolate costs 45p. How much would 1kg of chocolate cost at this rate? £ Sausages are £1.68 for eight. How much is one sausage? £ Free range eggs are £1.26 for a box of six. How much is one egg? £ If 50g of black lumpfish caviar is £3 how much is just 1g? £
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This is Unit Pricing - Jigsaw Joke level 1. You can also try:
Level 2 Level 3 Level 4 Level 5

 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.

## Instructions

Try 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.

## More Activities:

Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician?

Comment recorded on the 23 September 'Starter of the Day' page by Judy, Chatsmore CHS:

"This triangle starter is excellent. I have used it with all of my ks3 and ks4 classes and they are all totally focused when counting the triangles."

Comment recorded on the 9 April 'Starter of the Day' page by Jan, South Canterbury:

"Thank you for sharing such a great resource. I was about to try and get together a bank of starters but time is always required elsewhere, so thank you."

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#### Lemon Law

A fascinating digit changing challenge. Change the numbers on the apples so that the number on the lemon is the given total. Can you figure out, by understanding place value, how this works?

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## Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths page is an alphabetical list of free activities designed for students in Secondary/High school.

## Maths Map

Are you looking for something specific? An exercise to supplement the topic you are studying at school at the moment perhaps. Navigate using our Maths Map to find exercises, puzzles and Maths lesson starters grouped by topic.

## Teachers

If you found this activity useful don't forget to record it in your scheme of work or learning management system. The short URL, ready to be copied and pasted, is as follows:

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When planning to use technology in your lesson always have a plan B!

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.

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© Transum Mathematics :: This activity can be found online at:
www.Transum.org/go/?Num=768

## Description of Levels

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Level 1 - Where the unit cost can be found by multiplying or dividing by a whole number

Level 2 - Where the unit cost can be found by multiplying or dividing by a fraction

Level 3 - Calculating the price difference per unit of given products

Level 4 - A Best Buy drag-and-drop activity

Level 5 - A harder Best Buy drag-and-drop activity

More Ratio including lesson Starters, visual aids, investigations and self-marking exercises.

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.

Related Activity:

#### Recipe Ratios

Learn the mathematics required to adapt recipes to serve a different number of people.

## Example

This video is from MathHelp.com.

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 double-click 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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