To learn number facts and inverse operations.
Using number facts to add and subtract.
Addition and subtraction: efficient mental strategies.
To use partitioning to add.
To using place value to add and subtract.
Mental calculation – complements to 100.
Mental subtraction – counting up.
Mental addition of 2-digit numbers.
Expanded addition: 3-digit numbers (1).
To use different strategies to subtract.
Counting up subtraction with numbers greater than 100.
Strategies to subtract from numbers greater than 100.
To mentally add and subtract 1-digit numbers.
3-digit expanded and compact addition.
To revise expanded and column addition.
To add and subtract multiples of 10, near multiples.
To subtract large numbers using counting up.
Efficient strategies for mental addition and subtraction.