K – S – ID1

Ill-Defined Problems are not optimal for this particular key concept.

K – S – PP39

Arrange 6 counters in a way that would make it identifiable. Ask students, without counting, to tell you how many counters there are.

K – S – OE14

Show a set of dot cards that all show the 6 except for one card. Ask students to tell you which dot card does not belong in the set.

K – S – PP24

Display the number 0 on a five frame. Ask students to say how many there are on the five frame without having to count.

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