Maths Task Understanding the mean average What does

Maths Task Understanding the mean (average)

What does mean or average actually mean? The mean is the total of the numbers divided by how many numbers there are. To find the mean, add all the numbers together then divide by the number of numbers. eg 6 + 3 + 100 + 3 + 13 = 125 ÷ 5 = 25. The mean is 25.

Watch this short clip to help you to understand what ‘mean’ means! https: //www. bbc. co. uk/bitesize/clips/z 3 qmpv 4 HANDY TIP: For this task, you will need to use a division sign which you won’t find on your keyboard! To insert a division sign: Go to Insert - special characters - select symbol and math on the drop down menu ÷

How could we attempt to find the mean or average number of slices? HINT: How many slices of pizza are there altogether? How many children are they shared between? Record your calculation here: 5+4+2+2+2=15 15÷ 5(people)=3 Drag this box away to reveal my answer! So the mean or average is 3 slices.

Here is another way of looking at it… Can you see the method they have used?

Show your working out here: 8+6+4=18 Drag this box away 18÷ 3(groups)=6 to reveal my answer! The mean or average is 6

Show your working out here: 9+5+7=21 21÷ 3(groups)=7 The mean or average is 7 Drag this box away to reveal my answer!

Show your working out here: 6+10+9+11=36 36÷ 4(weeks)=9 The mean or average is 9 Drag this box away to reveal my answer!

Now show me how much you’ve learnt about finding the mean! Choose which level you would like to try depending on how confident you feel. Add your own text boxes for your working and answer.