Ordinals

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Intros

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Lessons

What are ordinal numbers?
How to write ordinal numbers 1^st-100^th with numbers and as words
How to use the words "before" and "after" when thinking about ordinals
What is the difference between cardinal, ordinal, and nominal numbers?

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Examples

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Lessons

Identifying Ordinal Numbers
Circle the ordinal numbers only.
1. 85, twenty-nine, 163^rd, 42^nd, seventeenth
2. Five hundred seventy, 91, 38^th, five hundred seventy-first, 2009
3. 46^th, two thousandths, 681, five hundredth, 709
Ordinal Numbers and the Alphabet
1. Fill in the chart with letters for the English Alphabet in order.
2. What is the 6^th letter of the English alphabet?
3. What is the 15^th letter of the English alphabet?
4. What is the 24^th letter of the English alphabet?
Ordinal Numbers and the Months of the Year
1. Fill in the chart with the months of the year in order:
2. What is the 7^th month of the year?
3. What order (place) of the year's months is the month of October?
4. What order (place) of the year's months is the month right before April?
Ordinal Numbers and Ranking (Word Problems)
Read the sentences to find out the ranking. Write the ordinal number using numbers and words.
1. In a sports car race, right before the finish line, the red race car passed the blue race car. The blue car won second place. What place did the red race car win?
2. At the science fair, Nick's project placed right behind his friend Archie's project. Archie's project won third place. What place did Nick's project win?
Using Ordinal Numbers to Describe a Picture - 1
The fruits are ordered in line, starting from left to right.
1. Which fruit is in the fourth position?
2. Which position is the fruit right before the watermelon?
3. Which position is the fruit right behind the grapes?

Ordinal Numbers and Calendar Dates
Look at the calendar for March 3009. Then, answer the questions:

March 3009
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31

What day of the week will the 23^rd of March 3009 be?
What day of the week will the 8^th of March 3009 be?
What day will the third Sunday be in March 3009?

Using Ordinal Numbers to Describe a Picture - 1
Danny went to visit his local farm. He draws all the animals that he sees on a paper, in order from left to right.
1. Which animal is in the fifth position?
2. Which position is the animal right before the pig?
3. Which position is the animal right behind the horse?