Grade 8 Lesson plan
Ravensmoor Lead Line Replacement: A Function from a Table
A grade 8 lesson in which students build a linear function from a fictional city's lead service line records and test whether the pace meets a ten-year deadline.
Water Math · Grade 8
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 Quiz & test questions
Redhawk Water System Benchmark: Systems, Volume, and Data
A grade 8 unit test covering scientific notation, cylinder volume, systems of equations, and scatter plots, with multiple-choice and computation items.
Grade 8 Math problem set
Redwater Pump Test: Comparing Two Pump Rates as Slopes
A grade 8 problem set comparing two fictional pumps, one shown as a table and one as an equation, by reading each flow rate as the slope of its graph.
Grade 8 Worksheet
Ryegate Treatment Plant: Solving Linear Equations for Daily Operations
A grade 8 worksheet of one-variable linear equations at a fictional treatment plant, with variables on both sides and one, none, or infinite solutions.
Grade 8 Worksheet
Saltcote Desalination: Scientific Notation for Plant Volumes
A grade 8 worksheet using a fictional desalination plant's daily flows and membrane pore sizes to write and compare quantities in scientific notation.
Grade 8 Lesson plan
Sculpin Creek Oxygen and Temperature: Scatter Plots and Trend Lines
A 55-minute grade 8 lesson where students scatter-plot a fictional creek's dissolved oxygen against temperature, describe the association, and fit a trend line by eye.
Grade 8 Math problem set
Snowbrake Basin Snowmelt: Equations for Two Reservoirs
A grade 8 problem set on solving linear equations with variables on both sides, set in a fictional mountain basin where one reservoir rises as another falls.
Grade 8 Lesson plan
Solano Flat Reservoir Evaporation: Building a Linear Function
A 50-minute grade 8 lesson where students build a linear function for a reservoir losing depth in a dry spell and read its slope and starting value.
Grade 8 Worksheet
Tallowfield Digester Records: Function Tables and Rules
A grade 8 worksheet using a fictional water reclamation plant's digester records to decide which tables are functions and to write the rule for one of them.
Grade 8 Math problem set
Vellacott Dam Penstock, Trap, and Air Chamber: Cylinder, Cone, Sphere
A grade 8 problem set finding the volume of a pipe, a cone-shaped sediment trap, and a spherical air chamber at a fictional hydropower dam.
Grade 8 Quiz & test questions
Verdant Springs Water Utility: A Grade 8 Functions and Data Test
A grade 8 unit test on a fictional water utility covering linear functions, slope, solving equations, and fitting a line to scatter plot data.
Grade 8 Lesson plan
Wickerstone Plant Inflow: The Shape of a 24-Hour Day
A grade 8 lesson on describing and sketching qualitative graphs, using a fictional water reclamation plant's twelve inflow readings across one day.
Grade 8 Worksheet
Windermoor Water Jobs and Pipes in Scientific Notation
A grade 8 worksheet that writes water-sector job counts, lead service line totals, and a fictional utility's own figures in scientific notation.
Grade 8 Worksheet
Windrow Farms Irrigation Rates: Comparing Proportional Slopes
A grade 8 worksheet where students find and compare the slopes of three proportional irrigation systems given as a table, an equation, and a graph.
Grade 8 Classroom activity
Wolverton Commons Fixture Payback: A Linear Function Station Rotation
A grade 8 station rotation where groups build net-savings functions for water-saving fixtures at a fictional apartment and find each fixture's payback month.
Grade 8 Worksheet
Basalt Bluff Reservoirs: Comparing Volumes in Scientific Notation
A grade 8 worksheet where students convert four fictional reservoirs' acre-foot volumes to gallons and compare their sizes using scientific notation.
Grade 8 Math problem set
Bramblewood Middle School Cistern: Cylinder Volume and Roof Runoff
Nine problems sizing a fictional school's cylindrical stormwater cistern against roof runoff, using the real cylinder-volume and roof-runoff formulas.
Grade 8 Math problem set
Cobalt Springs Pump Station: A System of Equations for Two Tanks
A grade 8 math problem set where students write linear equations for two storage tanks and solve the system to find when their volumes are equal.
Grade 8 Math problem set
Copperline Township Lead Testing: Equations for Corrosion Control
Eight problems modeling a fictional town's declining lead readings with linear equations, comparing results against the real current and 2027 federal action levels.
Grade 8 Project
Sizing a Water Tower for Cottonwood Estates: A Volume and Cost Project
A four-session grade 8 project where teams size a cylindrical water tower, then use a system of equations to choose the cheaper of two suppliers within a fixed budget.
Grade 8 Lesson plan
Fallow Creek Nutrient Runoff: Scatter Plots and Rainfall Data
A grade 8 lesson where students plot fictional rainfall and nitrate data from a creek, then describe the pattern of association and identify an outlier.
Grade 8 Classroom activity
Meadowlark Pump Station Function Match: A Grade 8 Card Sort Relay
A 40-minute relay activity where grade 8 teams race to match equations, tables, graphs, and descriptions of four fictional pump station functions.
Grade 8 Worksheet
Meridian Hollow Standpipe: Solving Linear Equations for Tank Drawdown
Nine problems where a fictional standpipe's fill and drain rates become linear equations, including two items on no-solution and infinite-solution cases.
Grade 8 Lesson plan
Prairie Junction Booster Station: Linear Functions from a Table
A 50-minute grade 8 lesson where students build a linear function from a booster pump station's volume data table, finding rate of change and initial value.