Here are some great place value games to try to help us with decimals.
We are learning about what a decimal is, what the value of a decimal is and what they represent.
https://www.topmarks.co.uk/Flash.aspx?f=diennesandcoinsv3
https://www.topmarks.co.uk/place-value/place-value-charts
https://www.topmarks.co.uk/interactive.aspx?cat=21
http://mathszone.co.uk/decimal-place-value-numberlines/
http://www.math-play.com/soccer-math-adding-decimals-game/adding-decimals-soccer-game_html5.html
http://www.active-maths.co.uk/fractions/whiteboard/dec_index.html
Here is a challenging decimals adding and subtracting game called “jeopardy”
http://www.math-play.com/Decimals-Jeopardy/decimals-jeopardy-game_html5.html