Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Squares and square roots; percents including over 100%; rates, ratios and proportional reasoning; multiplying and dividing fractions and integers
Linear relations; solving linear equations
Pythagorean theorem; surface area and volume of prisms and cylinders; views of 3-D objects; tessellations
Critiquing ways data is presented; probability of independent events