This document discusses ordinal numbers and their use in indicating the position of objects from left to right. It provides examples of using ordinal numbers to identify the position of fruits ordered from left to right, and the position of cars ordered from right to left. It includes an activity where the reader is asked to cross out the 5th bottle in a row.

1. Whole Numbers
Ordinal Numbers
What will we learn today?
• Use ordinal numbers and the
symbols to tell position

2. Ordinal Numbers
When objects are placed together, we use
ordinal numbers to tell the position.

3. We can tell the position of the objects
from the left or right.
Left Right
From the left: From the right:
1st - orange 1st - grapes
2nd - lemon 2nd - watermelon
3rd - watermelon 3rd - lemon
4th - grapes 4th - orange

4. Here’s an example.
Which car is the third from the right?
3rd 2nd 1st
A B C D
right
Car B is third from the right.

5. Here’s another example.
Cross out the 5th bottle.
1st 5th

6. Are you ready to
try out the
questions?