Mental addition and subtraction up to 20
- Strengthening quantity sense and sequence of numbers up to 20.
- Structuring numbers using the pattern of five.
- Adding doubles and near doubles such as 6 and 6, 6 and 7.
- Halving of numbers such as 6, 8, 10 and 12.
- Number combinations of 10 – visualizing and automatizing.
Details
For use by teacher.
Wooden rack with double rod with 10 beads each – with structure of alternating 5 white and 5 red beads. Rubber clip for locating numbers on the wooden rack. Bigger than the student Double Ganit rack.
1 per class/ for use by teacher.
This product is also used in pre-primary classes.
