Mental addition and subtraction up to 20
• Adding doubles and near doubles such as 6-6,6-7
• Adding and subtracting using 5-5 structure Number combinations
• Number facts of 10 – Visualizing and automatizing
To support developing number sense up to 20. Helps children to automatize addition and subtraction up to 20 and number combinations up to 10. This product is also used in Primary classes.
1 per section/ for use by teacher