Objective: I know my ordinal numbers from eleventh to thirtieth.
Cardinal numbers tell “how many”
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Ordinal numbers tell “which one”
eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth, twentieth, twenty-first, twenty-second, twenty-third, twenty-fourth, twenty-fifth, twenty-sixth, twenty-seventh, twenty-eighth, twenty-ninth, thirtieth
Have a look at this lesson and the ordinal number chart if you need to review how to convert from a cardinal number to an ordinal number.
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