Grade 8 Worksheet
Blencathra Dam Release: A Function From Two Readings
A grade 8 worksheet where students build linear functions for a fictional dam's reservoir and tailwater from only two gage readings each.
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 Lesson plan
Fernhaugh Digester: Why a Cone Holds One Third of a Cylinder
A grade 8 lesson where students compare a cone and a cylinder of equal size, then find the volume of a fictional digester with a cone bottom.
Grade 8 Worksheet
Galebrook Lead Sampling: Which Rules Are Functions?
A grade 8 worksheet using a fictional lead sampling program, where students decide which pairings assign exactly one output to each input.
Grade 8 Lesson plan
Gildersby Farms Irrigation: Two Clusters in One Scatter Plot
A grade 8 lesson where students plot a fictional farm's irrigation records, find two soil-type clusters and one outlier, and name the association.
Grade 8 Lesson plan
Ledworth Filter Run: Reading a Graph That Is Not a Line
A grade 8 lesson where students describe a fictional sand filter's headloss graph, decide where it is linear or curved, and sketch one from words.
Grade 8 Worksheet
Mortlake Alum Feed: Equations With Variables on Both Sides
A grade 8 worksheet from a fictional plant's chemical log, where students expand parentheses, clear fractions and decimals, and solve for one variable.
Grade 8 Worksheet
Pennifold Membrane Test: Very Small Numbers in Powers of Ten
A grade 8 worksheet on a fictional water district's membrane test, where students write tiny and huge quantities as a single digit times a power of ten.
Grade 8 Lesson plan
Selbridge Valve Crews: A System With No Solution
A grade 8 lesson in which students set up systems for three fictional valve-replacement crews and find a pair whose totals are never equal.
Grade 8 Math problem set
Umbercote Creek Sediment: Comparing Three Unit Rates
A grade 8 problem set where three fictional tributaries carry sediment at proportional rates given as a table, an equation, and a point on a graph.
Grade 8 Project
Vaudry Bend Outfall Study: A Storm Data Scatter Plot Report
A five-session grade 8 project where teams plot twenty fictional storms, fit a line by eye, and report a rain and turbidity finding to a local board.
Grade 8 Project
Brindlecombe Constructed Wetland: A Grade 8 Sizing Project
A four-session grade 8 project where teams build a flow function, size a treatment wetland and a holding tank, and pitch the design to a fictional village board.
Grade 8 Lesson plan
Havenscroft Hydrant Flushing: Comparing Rates in Three Forms
A 50-minute grade 8 lesson where students find three fictional flushing crews' gallons-per-minute rates from a table, a graph, and a written rule, then rank them.
Grade 8 Worksheet
Ilmenwood Pipe Age and Main Breaks: Judging a Line of Fit
A grade 8 worksheet where students plot pipe age against main breaks for a fictional district, use a given line of fit to predict, and judge how well the line fits.
Grade 8 Lesson plan
Kelvedge Main Repairs: One, No, or Many Solutions
A 55-minute grade 8 lesson where students solve cost equations for fictional pipe-repair contracts and sort them into one solution, no solution, and infinitely many.
Grade 8 Math problem set
Kirtlebridge Service Lines: Two Systems of Equations
A grade 8 problem set where students write and solve two systems for a fictional district's lead service line work, one for cost and one for two crews' progress.
Grade 8 Lesson plan
Ostermere Lab Logbook: Deciding What Counts as a Function
A 45-minute grade 8 lesson in which students test relations from a fictional plant's lab logbook against the definition of a function and find a duplicated entry.
Grade 8 Lesson plan
Pellingford Summer Demand: Finding the Outlier in a Scatter Plot
A 50-minute grade 8 lesson where students plot a fictional town's daily water use against temperature, describe the association, and explain a single outlier.
Grade 8 Worksheet
Quarrymoor Reuse Tanks: Finding a Missing Dimension From Volume
A grade 8 worksheet on a fictional reclaimed water site where students find cylinder, cone, and sphere volumes and then work backward to a missing depth or radius.
Grade 8 Math problem set
Sandgate Aquifer Storage: Scientific Notation Comparisons
A grade 8 problem set where students compare a fictional aquifer's stored water, yearly pumping, and recharge in scientific notation and say how much larger each is.
Grade 8 Worksheet
Sedgebarrow Road Fire Flow Test: Matching Graphs to Events
A grade 8 worksheet where students sketch and describe pressure and flow graphs for a fictional fire flow test, matching each graph shape to what the crew did.
Grade 8 Lesson plan
Alderbrook Water Tank: Reading and Sketching Level Graphs
A 50-minute grade 8 lesson where students describe and sketch qualitative graphs of a fictional town's water-tank level rising, holding, and falling across a day.
Grade 8 Math problem set
Ashbourne PFAS Treatment Choice: A System of Equations
A grade 8 problem set where students solve systems to compare two PFAS treatment costs and to split flow between two wells in a fictional town.
Grade 8 Worksheet
Ashford County Water by the Numbers: Scientific Notation
A grade 8 worksheet that has students write a fictional water district's large quantities in scientific notation and compare national water figures by magnitude.
Grade 8 Classroom activity
Birchhollow Creek Human Scatter Plot: Rain and Turbidity
A grade 8 activity in which students stand on a taped floor grid to build a class scatter plot of rainfall and turbidity from a fictional creek's sample cards.