Grade 1 - Mathematics 2.6 Number of Things in Order

Ordinal numbers name the number of something in an order. First ten ordinal numbers are first, second, third, fourth, fifth, sixth, seventh, eighth, ninth and tenth.

Method:
Step 1: Count the items in the picture.
Step 2: Say which of the items is out of order.

Example:
Here are 10 boxes. One of them is out of line. Name which one.