Olivia Understands Why 3/5 and 9/15 Are Equivalent Fractions

question 48

Multiple Choice

Olivia understands why 3/5 and 9/15 are equivalent fractions. Based on this information, Olivia is probably in Piaget's _______ stage of development.

• A) sensorimotor
• B) preoperational
• C) formal operations
• D) concrete operations

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