enseignement (2) besoin (2) analyse (2) Development (2) Construction (2) Children (2) Methods (2) Individual differences (2) Rates (2) Visualization (2) Teaching (2) Teachers (2) Students (2) School children (2) Progress (2) Probabilities (2) Multiplication (2) Marks (Medieval land tenure) (2) Manufactures (2) Learning (2) Fractions (2) Evaluation (2) Engineering (2) Division (2) Concepts (2) Cognition (2) Children (2) Building (2) Average (2) Tax assessment (2)