Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Perfect squares and square roots; percents, decimals and fractions; ratios, rates and proportional reasoning; multiplying and dividing fractions; integer operations
Linear relations; order of operations
Relationships between the sides of a right triangle; surface area and volume of prisms and cylinders
Nets for 3-D objects
Evaluating ways of representing data