When students first understand that symbols, such as letters in algebra, can be used to stand for unknown numbers, they have moved to which of the following instructional stages?
a. Concrete
b. Representational
c. Abstract
d. Manipulative
ANSWER: b
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a. True b. False Indicate whether the statement is true or false
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a. observation. b. past knowledge. c. expert judgment. d. theory. e. common sense.
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What will be an ideal response?
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