Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Integers: compare, add and subtract; decimals to thousandths; all operations with positive fractions and mixed numbers
Linear relations with one transformation; solve one- and two-step linear equations
Area and volume formulas; geometric constructions; four-quadrant plane and transformations; nets of prisms and cylinders
Mean, median, mode, range and outliers; probability of two independent events