Here is a yummy chocolate bar

with 10 delicious squares



But first you have to decide which is bigger:

  • 53% of the chocolate bar?
  • 2⁄3 of the chocolate bar?

If you are wrong, it's NO chocolate for you!


let's use this chocolate bar to help you understand decimals, fractions and percentages



this special bar has exactly 10 squares

the 2 squares above are:

  • 2/10 = 1/5
  • 0.2
  • 20%

of the chocolate bar

what is

or

of the chocolate bar?


the buttons at the bottom show you more



design and coding

© Sally Pryor 2014

www.sallypryor.com

2

10

0.2

and

20

%

of the chocolate bar


the bar is divided into parts: 1⁄ =


there are 2 of them here, so total= 2 bars

 

this fraction can also

be simplified to 1⁄5

this shows

0.20

and

20

%

of the special chocolate bar



this shows

0.20

and

20

%

of the special chocolate bar



  • you get 10 points for each correct answer
  • you can use the buttons at the bottom to work out your answer
  • you only get 5 points for a correct answer if you've use the chocolate cheat button
  • you can play lots of times and try to beat your highest score

your best ever score is 0 /50

game score is:

Which number is bigger:

⁄