16.-/4 pointsAufExc4 2.2.501.XP. Elementary school teachers use plastic pieces c

Question

16.-/4 pointsAufExc4 2.2.501.XP. Elementary school teachers use plastic pieces called attribute pieces to illustrate subset concepts and to determine whether a student has learned to distinguish among different shapes, sizes, and colors. The following figure shows 12 attribute pieces. blue pieces red pieces small pieces large pieces A set of 12 attribute pieces A student has been asked to form the following sets. Determine the number of elements the student should have in each set. (a) the set of large blue triangles (b) the set of red squares (c) the set of squares (d) the set of triangles

Explanation / Answer

a) the set of large blue triangles : Only one element-1

b) the set of red squares : 2(1 small piece and 1 large piece)

c) the set of squares : 4(2 red squares and 2 blue squares)

d) the set of triangles : 4(2 red triangles and 2 blue triangles)

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