Use concrete materials to model half of a collection

1. Bessie Finds Half: 12 chocolates
2. Halving Lambs: A group of 18 lambs
3. Finding Half: 6 basketballs
4. Give Gary Half: 6 choc bars
5. Half the Party: 8 kookaburras up a gum tree
6. Find Half: A batch of 14 steak 'n' bacon pies
7. Half of 10 fierce pirates
8. Find Half: 6 Flamingoes Balancing
9. Find Half: 8 monsters mixing
10. Half the herd. 12 bulls
11. Four moist mangos_shared
12. Six Bright Berries