Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Divisibility rules; operations with decimals; fractions, decimals and percents; adding and subtracting fractions and mixed numbers; adding and subtracting integers
Linear relations in tables and graphs; solving linear equations
Circles (circumference and area); area of triangles and parallelograms; geometric constructions; four-quadrant Cartesian plane and transformations
Mean, median, mode and range; circle graphs; theoretical and experimental probability of two independent events