These pages are useful for all age groups
supporting what we have been learning in school https://whiterosemaths.com/homelearning/
for pencil and paper logic games http://www.mathsphere.co.uk/fun/
for practising tables topmarks.co.uk
lots of open-ended investigations https://nrich.maths.org/fortwo
attractive games, well presented https://www.mathplayground.com/