Ratios, rates and percents; Pythagorean theorem; averages help make sense of data
Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Perfect squares and cubes; square and cube roots; percents less than 1 and greater than 100; numerical proportional reasoning
Operations with fractions, including order of operations
Discrete linear relations with integers; expressions by substitution; two-step equations with integer coefficients
Surface area and volume of prisms and cylinders; Pythagorean theorem; construction, views and nets of 3D objects
Measures of central tendency; theoretical probability with two independent events
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