“I was aiming for them to use compatible numbers for addition and subtraction.”
The use of tens frames to provide images and develop knowledge of compatible numbers to ten is highlighted. This knowledge is essential if students are to be successful at developing early part-whole strategies.
Domain: Addition and subtraction
Transition: Advanced counting → early additive
Barrier: Transferring knowledge to a new context, combinations to 10, recognising that 10 is an easy number to add onto.
Other resources:
Numeracy activities:
Figure It Out:
- Birthday Time (N2.1, p10)
- Different Strokes (N2.1, p2)
- Mighty Marty (N2.1, p6)
- Hitting 100 (N2.2, p4)
BSM
- 12.1.7