Chapter 19: Mathematical Reasoning and Puzzles
Logical thinking, number puzzles, problem-solving, balance scale logic, magic squares, and brainteasers
Topic 19.1: Logical Thinking, Number Puzzles, and Deductive Reasoning
📖 Read Lesson (15m)
Solve mystery number riddles using deductive logic, elimination, and balance scale equivalence.
Topic 19.2: 3x3 Magic Squares, Grid Logic, and Function Machines
📖 Read Lesson (15m)
Crack 3x3 magic squares where rows, columns, and diagonals have equal sums, and find input-output function rules.