Journal of Educational Psychology · 1987 · 209 citations · 0 references
EducationEducational PsychologyMathematics EducationMathematics InstructionReading ComprehensionDeductive ReasoningMathematical Learning DifficultiesMathematical ReasoningNumber SensePart-whole RelationshipsProblem-solving StrategiesArithmetic Learning DifficultiesArithmetic TeachingRelational ThinkingVerbal ArithmeticWord Problem Solving Difficulties