Ellis USD 388 Superintendent Bob Young, a former math teacher, provided the following examples of math standards.

Old standard

Express probabilities as fractions, percents or decimals.

New standard

Calculate percentages of advertising in a newspaper.

Old standard

Classify triangles according to angle size and/or length of sides.

New standard

Tour the school building and identify examples of parallel and perpendicular lines, planes and angles.

Old standard

Calculate volume of simple three-dimensional shapes.

New standard

Determine the median and mode of real data displayed in a histogram.

Old standard

Given the coordinates of a quadrilateral, plot the quadrilateral on a grid.

New standard

Organize and display collected data, using appropriate tables, charts or graphs.