Students practice grade-level mathematics on real utility quantities such as flow rates, tank volumes, and water bills, using the same formulas that appear on operator licensing exams.
76 materials written for this grade · refine by type, topic, or standard in the catalog
Grade 8 Math problem set
A grade 8 problem set on the volume formulas for a cylinder, a cone, and a sphere, applied to three tanks at a fictional drinking-water treatment plant, with fill time.
Grade 8 Math problem set
A grade 8 problem set where students build a linear cost function for a fictional desalination plant, identify its rate of change and initial value, and evaluate it.
Grade 8 Math problem set
A grade 8 set on an aquifer storage project where students write injection volumes in scientific notation, divide powers of ten, and check a pipeline loss rule.
Grade 8 Worksheet
A grade 8 worksheet where students build and read a scatter plot of yearly well depth-to-water, then describe the trend and spot an outlier year.
Grade 8 Worksheet
A grade 8 worksheet where students find the volume of a fictional pump station's cylindrical storage tank and spherical pressure tank in cubic feet and gallons.
Grade 8 Worksheet
A grade 8 worksheet on writing and solving one-variable linear equations for two reservoir levels, including equations with variables on both sides.
Grade 8 Classroom activity
A grade 8 movement activity where teams sort water-system relations into function or not a function using the rule that each input has exactly one output.
Grade 8 Worksheet
A grade 8 worksheet where students plot a fictional utility's chlorine readings against distance, then describe the negative association and spot an outlier.
Grade 8 Math problem set
A grade 8 problem set where students write and solve a system of two linear cost equations to find the break-even year for a fictional town's new well.
Grade 8 Worksheet
A grade 8 worksheet using a fictional water district's PFAS well results to write very small and very large quantities in scientific notation and compare them.
Grade 8 Math problem set
A grade 8 problem set where students model two tanks, one draining and one filling, as linear equations and solve the system to find when their depths are equal.
Grade 8 Worksheet
A grade 8 worksheet in which students plot ten weeks of rainfall and pumping records from a fictional orchard, use a given line of fit, and read its slope.
Grade 8 Math problem set
A grade 8 problem set where students write and solve a system of linear equations to find where a new well and imported water cost a fictional community the same amount.
Grade 8 Math problem set
A grade 8 problem set where students model two school rooftops as proportional rain-harvest lines and compare their slopes, using the standard runoff conversion factor.
Grade 8 Quiz & test questions
A grade 8 unit test on a fictional town's water system covering scientific notation, tank volume, systems of equations, and linear functions.
Grade 8 Math problem set
A grade 8 math problem set where students model a fictional town's leak-loss and repair costs as two equations and solve the system to find the payback month.
Grade 8 Lesson plan
A 50-minute grade 8 lesson where students read and sketch qualitative graphs of a fictional pump station's tank level rising, holding, and falling over a day.
Grade 8 Math problem set
A grade 8 problem set where students write and compare linear functions for two fictional water-bill rate plans, find the break-even usage, and check affordability.
Grade 8 Math problem set
A grade 8 problem set finding the volume of a fictional plant's cone-bottomed tank and a spherical digester, converting cubic feet to gallons and comparing sizes.
Grade 8 Quiz & test questions
A grade 8 unit test on functions, unit rates, linear equations, and volume, set in a fictional town reducing phosphorus in the Sallowbrook River.
Grade 8 Lesson plan
A 45-minute grade 8 lesson where students treat a creek's storm hydrograph as a function of time and sketch and describe its rise, peak, and slow fall after a rainstorm.
Grade 8 Lesson plan
A 50-minute grade 8 lesson where students build and interpret a linear function for the water depth in a fictional well as its pump draws the level down.
Grade 8 Classroom activity
A grade 8 movement activity where students write water quantities in scientific notation and order them along a power-of-ten number line.
Grade 8 Math problem set
A grade 8 problem set where students write and solve one-variable linear equations for the phosphorus left in a fictional marsh as a cleanup wetland removes it.