Here are some videos to get back into the way of numeracy groups.  

Have a go at equivalent percentages, decimals and fractions:

Have a go at place value with a decimal point:

Have a go at square numbers:

 

Have a go at cubed numbers:

 

What is percent?

 

Have a go at finding 50%:

 

Have a go at finding 25%:

 

Have a go at using a calculation to find a percentage: