When given different shapes, Jenny can recognize which are triangles, squares, rectangles, and trapezoids, but she cannot put into words each shape's characteristics. Jenny is most likely functioning at which van Hiele level?
a) Analysis.
b) Deduction.
c) Informal Deduction.
d) Rigor.
e) Visualization.
E
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Aphysical structure or a virtual or mental image of a structure that is either a smaller or a larger representation of a system or an object is referred to as a ____________.
Fill in the blank(s) with the appropriate word(s).
Results of a descriptive study on the cooperative behavior of sixth-grade students showed that children with opposite sex siblings displayed cooperativeness more often than children who did not have siblings of the opposite sex. The researcher concluded that 12- and 13-year-olds were more likely to learn to cooperate if there were opposite sex children in the family. Which criterion for
descriptive studies was violated in this example? a) Descriptive studies can describe participants or events, not behaviors. b) The researcher did not identify his criteria for cooperative behavior. c) Descriptive studies do not assume causal relationships between variables. d) The researcher only used fifth graders as participants in his study.
The last proportion-solving strategy that students should learn in middle school grades is using:
a. a rate table. b. unitizing. c. the cross-product algorithm. d. a multiples table.
Current research studying how social class and culture affect children's play has found that
a. children from low-income settings display less complex and sophisticated play than children from middle-class settings. b. sociodramatic play is enriched when props reflect the culture and life experiences of the children in the group. c. cultures from all over the world universally value and support children's play. d. gender is not a factor in the type or the quality of play children choose