Worksheets on CIE Intl A Level Maths Binomial Expansion, covering 4.1 Expanding (1 + x)^n, 4.2 Expanding (a + bx)^n, 4.3 Using Partial Fractions, and Question Set 4: Binomial Expansion, with answers. Print them, or work through one on screen. Write your working straight onto the paper and Genie marks it question by question against the mark scheme.