What is the most common model used for decimal fractions?

a) Rational number wheel.
b) Base ten strips and squares.
c) 10 x 10 grids.
d) Number line.


c

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With regard to reducing the risk of obesity, the American Academy of Family Physicians suggest:

a. avoiding prepared and sugared foods when possible. b. encouraging children to finish all their food. c. providing ample fiber in the child’s diet. d. avoiding prepared and sugared foods when possible and providing ample fiber in the child's diet.

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When thinking about teaching social studies, we must consider the following:

a. People, places, time, and events b. Topics, themes, social systems, agriculture c. Emotions, motivations, topics, and themes d. History, geography, themes and topics

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One inherent problem of ex post facto studies is that a. the researcher needs to arrange occurrences of the situation beingstudied

b. the researcher must live with the subjects under study for a long periodof time. c. information being sought may be incomplete. d. all of the above.

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The most important variable that drives scaffolding is the _____.

a. teacher b. learner c. lesson d. scheme

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