Piaget's Stage 3 of Cognitive Development
Problem-Solving
Cognitive Learning
Mathematical Modeling: Problem Solving
Piaget's Stage 2 of Cognitive Development
Counterfactual Thinking
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Updated: May 3, 2026

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
Emily R Fyfe1, Marci S DeCaro, Bethany Rittle-Johnson
1Department of Psychology and Human Development, Vanderbilt University, Nashville, Tennessee, USA.
Providing conceptual math instruction before problem-solving significantly improves children's procedural and conceptual knowledge. This sequencing enhances learning and problem-solving abilities more effectively than delaying instruction.
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