Here are some maths links to help you with your SATS
BBC Bitesize Arithmetics:
https://www.bbc.co.uk/bitesize/articles/zrd6mfr#zx8fxg8
10 minute tests:
https://www.cgpbooks.co.uk/resources/cgp-s-free-online-10-minute-tests?srsltid=AfmBOoqiX_t6GNdwVgaIwvWluR1A3P7aPdmAagcADXFnat2-9kLP87Tc