Mental addition and subtraction up to 20
- Strengthening quantity sense and sequence of numbers up to 20
- Structuring numbers using the pattern of 5
- 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
- Adding and subtracting mentally up to 20 using the structure of 5
Details
Wooden rack with 20 beads – with structure of alternating 5 white and 5 red beads. Rubber clip for locating numbers on the wooden rack.
Includes writeup with details of activities.
For 1 child / age 5-7 years
This product is also used in Primary classes.