Year 9 IXL Maths Skills Matched to the UK National Curriculum

1. Prime factorisation – KS3 Number
2. Highest common factor (HCF) – KS3 Number
3. Classify numbers (natural, integer, rational, …) – KS3 Number
4. Compare & order integers – KS3 Number
5. Add & subtract integers – KS3 Number
6. Multiply & divide integers – KS3 Number
7. Identify rational & irrational numbers – KS3 Number
8. Convert between decimals & fractions – KS3 Number
9. Add, subtract, multiply & divide rational numbers – KS3 Number
10. Evaluate indices – KS3 Number
11. Evaluate negative indices – KS3 Number
12. Square roots of perfect squares – KS3 Number
13. Convert between ordinary numbers & standard form – KS3 Number
14. Compare numbers in standard form – KS3 Number
15. Identify equivalent ratios – KS3 Ratio & Proportion
16. Unit rates – KS3 Ratio & Proportion
17. Solve proportions – KS3 Ratio & Proportion
18. Constant of proportionality (from a table) – KS3 Ratio & Proportion
19. Convert between %-fraction-decimal – KS3 Number/Percent
20. Percent of change – KS3 Number/Percent
21. Simple interest – KS3 Financial Maths
22. Compound interest – KS3 Financial Maths
23. Convert metric rates & measurements – KS3 Measures
24. Precision & accuracy – KS3 Measures
25. Percent error – KS3 Measures
26. Distance between two points – KS3 Geometry/Coordinate
27. Arithmetic sequences – KS3 Number
28. Geometric sequences – KS3 Number
29. Simplify linear expressions – KS3 Algebra
30. Multiply using the distributive property – KS3 Algebra
31. Solve multi-step equations – KS3 Algebra
32. Solve two-step linear inequalities – KS3 Algebra
33. Rate of change – KS3 Functions
34. Find the gradient from two points – KS3 Functions
35. Write y = mx + c from gradient & point – KS3 Functions
36. Interior angles of polygons – KS3 Geometry
37. Circumference of circles – KS3 Geometry
38. Volume of prisms & cylinders – KS3 Geometry
39. Mean, median, mode & range – KS_