Year 1 Mathematics Lesson Plans199 page digital PDF download Introduce your child to the wonderful world of arithmetic with an in depth look at all numbers from 1 to 100. Using inexpensive household manipulatives, and whiteboard, oral and grid notebook activities, your child will learn basic fractions, skip counting, working with money, addition, subtraction, multiplication and division up to 100. No prior number knowledge needed. NB: This is the British version of the Lesson