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Objective 3: Know ordinal and cardinal numbers and the difference between them. Ordinal Numbers The order and arrangement of numbers ie . 4 th , 12th Number order criterion can be size, position in a race, age, time of day (Reys, 2011)
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Objective 3: Know ordinal and cardinal numbers and the difference between them. Ordinal Numbers • The order and arrangement of numbers ie. 4th, 12th • Number order criterion can be size, position in a race, age, time of day (Reys, 2011) • Names the position of the number’s place ie 2 would be called second, four – fourth • Ordinal knowledge and thinking provides the opportunities to for more challenging experiences. • Ordinal numbers only show ranking, not ‘how many’ Cardinal Numbers • Cardinal numbers are known as counting numbers • Cardinal numbers are used to express amounts. Ie. Measure sets, tells how many...