I can recognize proportional relationships.

I can represent proportional relationships given in contexts with equations.

I can solve multi-step ratio problems by using proportional relationships (not expressed as percentages).

I can reproduce a scale drawing at a different scale.

I can solve problems involving scale drawings of geometric figures.

I can interpret sums and differences of rational numbers by describing real-world contexts.

I can evaluate sums and differences of rational numbers.

I can evaluate products and quotients of rational numbers.

I can solve real-world and mathematical problems involving the four operations with rational numbers.

I can add, subtract, factor, and expand linear expressions with rational coefficients, using properties of operations as strategies.

I can identify different, equivalent forms of expressions given in a problem context. 

I can solve multi-step, real-world and mathematical problems posed with positive and negative rational numbers in any form.

I can solve word problems leading to equations of the forms px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. 

I can solve word problems leading to inequalities of the form px + q > r or px + q < r, where p, q, and r are specific rational numbers.

I can solve problems involving area and circumference of a circle.

I can describe how the circumference and area of circles are related.

I can solve real-world and mathematical problems involving area of two-dimensional objects composed of triangles, quadrilaterals, and polygons.

I can solve problems involving volume and surface area of three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms.

I can solve multi-step percent problems by using proportional relationships.

I can identify equivalent forms of expressions given in a percent problem context.

I can solve problems involving percents and scale drawings of geometric figures. 

I can determine whether given samples of a population are representative of the population and identify flaws in given non-representative samples.

I can express the difference between the centers of two numerical data distributions with similar variabilities as a multiple of a measure of variability.

I can compare empirical probabilities of events to theoretical probabilities.