# Maths with Lemon Source: https://mathswithlemon.io/numbers.html ### Numbers #### Arithmetic Sequences ##### Prior Knowledge Basic understanding of addition, subtraction, and sequences. ##### Key Points - Definition of arithmetic sequences - Common difference - Formula for the nth term - Sum of arithmetic sequences #### Geometric Sequences ##### Prior Knowledge Basic understanding of multiplication, division, and sequences. ##### Key Points - Definition of geometric sequences - Common ratio - Formula for the nth term - Sum of geometric sequences #### Other Sequences ##### Prior Knowledge Understanding of basic algebra and different types of sequences. ##### Key Points - Definition of other sequences - Special sequences - Applications of sequences