Circle the smaller number:

$11, 9$

Circle the smaller number:

$5, 15$

Circle the smaller number:

$12, 2$

Circle the smaller number:

$16, 17$

Circle the smaller number:

$9, 10$

Circle the smaller number:

$15, 13$

Circle the biggest number:

$12, 15, 20$

Circle the biggest number.

$10, 5, 12$

Circle the biggest number.

$11, 12, 13$