How many of these easy sums can you do in one minute? Challenge your friends to see who can get the best score.

This is one in a large series of short videos from NCETM showing how people use maths at work. See the others here.

When you have watched the video see if you can convert time into decimals and work out how much employees should be paid.

Maths 4 us have produced a new free on-line course about Numbers in our Food.

This video shows how to divide by a decimal.

When you’ve watched the video try this quiz to see if you’ve got it.

How many nurses could be employed with the money given in bonuses to RBS bankers? You can work it out here!

Equivalent means equal to. So in this matching game you just have to match the pairs of equal fractions, eg ½ = 2/4 , or 3/9 = 1/3

Try this gap fill exercise on screen or in worksheet format.

Download, print and cut out the triangles. Work with a friend to try and match all the questions with the correct answer.

Remember the range is the difference between the biggest and smallest number.

The mean is the sum of all the data divided by the number of data items.

The median is the middle number when the data is arranged in order.

The mode is the most frequent number.

Many thanks to Mr Barton for the original jigsaw.

If you must cheat here is the solution.

Print out the jigsaw and cut out the triangles. Work with a friend to try to match all the questions with the answers.

Remember to find the mode look for the most frequently occuring data item. To find the mean add up all the data and divide by the number of data items.

Thanks to Mr Barton for the original jigsaw.

If you are really stuckdownload Mode and Mean Jigsaw solution

Download the pdf, print it and cut out the dominoes. Work with a friend to put them together correctly or play dominoes by sharing the dominoess and taking it in turns to place the next domino. If you can’t go the other player has another turn. The winner is the first to place all their dominoes correctly.

**Download Simple Probability Jigsaw
**

If you have never played cards before here is a young lady showing you what they look like

http://www.youtube.com/watch?v=jwterfD6LDk

You need to understand there are four suits, spades♠, hearts♥, diamonds♦ and clubs♣.

Spades and clubs are black, hearts and diamonds are red. There are 13 cards in each suit, so altogether there are 4×13=52 cards in a pack. Number one is called an Ace. They are then numbered up to 10. After 10 there is a Jack, Queen and King.These are called picture cards.

Thanks to Mr Barton Maths for this Jigsaw.

If you are struggling you can view the solution here.

Simple Probability Solution

Can you work out the missing numbers in this Football League table? You will need to use logic, arithmetic and negative numbers.

Premier League table 2011-12

League Division 1 table 2011-12

Download and print out the dominoes. Cut them out, then play like dominoes or simply match the questions and answers.

**Finding the Mode Dominoes
**

Remember the mode is the most frequent data item.

Thanks to Mr Barton for the original jigsaw.

If you can’t agree you can .download the solution here.

This is a great little adventure game where you have to answer problems to explore the tunnels and earn money when you get them right. Some of the questions are GCSE standard but some are Entry Level. See how far you can get! Thanks to Transum Software.