This is an interactive lesson on additions and subtractions. In this lesson, learners will be able to:
- add and subtract numbers with up to 4 digits;
- use the formal written methods of columnar addition and subtraction where appropriate.
Teachers can use the lesson for whole class teaching and learners can also use it at home.
There are lots of drag and drop activities and worksheets with instant learner feedback.
The lesson contains 39 interactive pages.