Lesson 1 - To be able to use mental strategies for addition and subtraction
Lesson 2 - To be able to add together 5-digit and 4-digit numbers
Lesson 3 - To be able to subtract a 4-digit number from a 4-digit or 5-digit number
Lesson 4 - To be able to use estimation to give approximate results
Lesson 5 - To be able to use inverse operations to check results
Lesson 6 - To be able to solve multi-step problems
Lesson 7 - To be able to compare calculations
Lesson 8 - To be able to find missing numbers
