Additional websites that I have used regularly are below:
https://whiterosemaths.com/homelearning?year=year-8
https://www.ilovepdf.com/split_pdf
https://www.tes.com/member/niccook
https://nixthetricks.com/Download.html
https://corbettmaths.com/5-a-day/gcse/
https://b28mathstutor.co.uk/clueless-about-calculators/
https://education.casio.co.uk/calculators/classwiz-product-range/
Y8U2 KO
Standard Form
Y8U3 KO
Percentages
Percentage change
Y8U4 KO
Ratio Tables:
Ratio & Scale + Converting Units
Ratios & Fractions
Y8U5 KO
Multiplicative Scaling
Ratio tables & Double numberlines
Y8U6 KO
Mult-Div Fractions
Multiplying fractions
Y8U7 KO
Cartesian Plane
Liner graphs
Y8U8 KO
Area of Trapezia & Circles
Visual - Area of Trapezia
Y8U9 KO
Line Symmetry & Reflection
Lines of Symmetry
Y8U10 KO
Data Handling Cycle
Conjecture = idea
Hypothesis = test
Theorem = proven
Y8U11 KO
Tables & Probability
Sample Spaces
Y8U12 KO
Measures of Location
Which average to use?
Y8U13 KO
Brackets, Equations & Inequalities
Solving Linear Equations
Y8U14 KO
Sequences
Fibonacci in nature
Y8U15 KO
Indices
4 simple Index Laws
Y8U16 KO
Angles in Parallel Lines and Polygons
Penrose tiling and Einstein tile
Y8U17 KO
Representing Data
Data and Graphs