What are proportional models and discuss how they can contribute to students understanding of place-value?
What will be an ideal response?
What are proportional models and how do they contribute to conceptual understanding?
Most clearly reflect the relationship of ones, tens and hundreds
Ten can be made from the single pieces
Pre-grouped models cannot be taken apart or put together
10 single pieces must be traded or exchanged for a ten
Ten frames show the distance to the next ten
All of the models provide physical evidence and practice with the concept of the ten-to-one relationship.
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Any type of attention may lead the subjects in the experimental group to respond in an other-than-normal manner. This phenomenon is called
a. closure. b. Hawthorne effect. c. Premack principle. d. John Henry effect e. perception effect.
The following statement would likely be included in which section of a quantitative research article: The subjects were randomly assigned to one of the two treatments groups and a pretest was administered
a. Introduction c. Results b. Methods d. Discussion
A plaintiff who asserts a cause of action based on negligence has the burden to establish a standard of care and prove, by a preponderance of the evidence that the defendant deviated from that standard of care
Indicate whether the statement is true(T) or false(F).
If the teacher is threatened by the student’s behavior, the mistaken goal is
a. attention-seeking b. power c. revenge d. self-imposed inadequacy