Sumdog details to follow! In the meantime here are some fun maths games you can play on your laptop, PC or tablet.
Topmarks games. https://www.topmarks.co.uk/maths-games/5-7-years/counting
Look for the green ‘tablet friendly’ button to show it is suitable for tablets. You can change the category, or for more challenging games choose the ‘age 7-9’ section.
Math Playground http://www.mathplayground.com/grade_2_games.html