Solve subtraction problems from 20 by counting all the objects in their head.
Recall facts within 5, and doubles to 10.
Number Framework Stage 3
Containers
Problem: Here are 3 teddies and hidden under the container there are some more. Altogether there are 5 teddies. How many teddies are hidden?
Record 3 + ? = 5. The students solve the problem by imagining the numbers. Fold back if needed to Using Materials by showing what is hidden.
Examples. Put students in pairs. One student hides some teddies and the other solves the problem. Then reverse roles.
Printed from https://nzmaths.co.nz/resource/whats-hidden at 3:48am on the 3rd May 2024