Should you wish to make use of them, here's some extra resources you can use for revision and and SATs prep.
Also these are some great websites for revision:
https://www.mathsisfun.com/ (good for revising formal methods of calculation, including fractions)
https://www.sumdog.com/
http://www.math-aids.com/ (create your own worksheets for any topic)
http://www.bbc.co.uk/education/subjects/z826n39
http://www.educationquizzes.com/ks2/maths/
https://uk.ixl.com/math/year-6