Section 1: Numeration Systems
Section 2: Decimals
Section 3: Fractions
Section 4: Percentages
Section 5: Addition
Section 6: Subtraction
Section 7: Multiplication
Section 8: Division
Section 9: Divisibility
Section 10: Ratio and Proportion
Section 11: Sequences
Section 12: Expressions, Equations, and Algebraic Thinking