Here is a large selection of work related to year 4 maths:

https://uk.ixl.com/math/year-4

Practise your multiplication check skills here:

https://mathsframe.co.uk/en/resources/resource/477/Multiplication-Tables-Check

Roman numerals game:

https://www.abcya.com/games/roman_numerals

https://www.turtlediary.com/game/learning-roman-numerals.html

Equivalent fractions:

http://www.math-play.com/equivalent-fractions-concentration-game/equivalent-fractions-concentration-game_html5.html

Fractions to decimals:

https://www.topmarks.co.uk/Flash.aspx?a=activity08

Measuring:

https://www.abcya.com/games/measuring

Coordinates :

https://mathsframe.co.uk/en/resources/resource/153/coordinates__reasoning_about_position_and_shapes

Literacy – a mass of resources here:

https://uk.ixl.com/ela/year-4

Spelling quizzes here:

https://spellingframe.co.uk/

Contractions:

https://www.abcya.com/games/contraction_action

Word classes:

https://www.bbc.co.uk/bitesize/articles/zvs2kty

Lots of computing activities here:

https://www.bbc.co.uk/bitesize/topics/zs7s4wx

Purple Mash:

https://www.purplemash.com/login/

Geography

Mountains and volcanoes:

https://www.nationalgeographic.com/environment/natural-disasters/volcanoes/

https://www.bbc.co.uk/bitesize/topics/z849q6f/articles/zd9cxyc

https://www.bbc.co.uk/bitesize/topics/z849q6f/articles/z4g3qp3

History

The Romans:

https://www.bbc.co.uk/bitesize/topics/zwmpfg8

The Greeks:

https://www.bbc.co.uk/bitesize/topics/z87tn39

Science:

https://www.bbc.co.uk/bitesize/topics/zj44jxs

https://www.bbc.co.uk/bitesize/topics/zgffr82