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; relating decimals, percents and fractions; ordering fractions; adding and subtracting fractions and mixed numbers
Linear relationships; tables of values to plot graphs; preservation of equality
Circles (radius, diameter, circumference, pi); area of triangles, parallelograms and circles
Plotting with ordered pairs
Mean, median, mode and range; outliers; probabilities as ratios, fractions and percents