Grade 11 Lesson plan
Sable Crossing's Growth: Timing a Treatment Plant Expansion
A grade 11 lesson where students model a fictional town's maximum-day water demand exponentially and use logarithms to time a treatment plant expansion.
Water Math · Grade 11
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.
68 materials written for this grade · refine by type, topic, or standard in the catalog
Grade 11 Lesson plan
Calverhill's Lead Service Lines: A Fixed Count or a Fixed Percent
A 50-minute grade 11 lesson comparing a linear and an exponential lead service line replacement plan, with logarithms used to find when each plan reaches its target.
Grade 11 Classroom activity
Eastmere Bay Nutrient Trading Floor: Cutting a Load at Least Cost
A 60-minute grade 11 activity where three teams trade phosphorus reduction projects across a watershed cap and then find the least expensive package that meets it.
Grade 11 Classroom activity
Garrowmere Dam Data Stations: Linear, Power, or Exponential?
A 55-minute grade 11 station rotation where teams test four dam data sets with differences and ratios, then name and write the model family each one follows.
Grade 11 Lesson plan
Harnsworth's Carbon Contactor: Reading a PFAS Breakthrough Curve
A 55-minute grade 11 lesson where students read key features of a granular activated carbon breakthrough curve and compute average rates of change across its intervals.
Grade 11 Lesson plan
Keldwick's Ivelbrook Avenue Main: A Log-Log Fit for Head Loss
A 55-minute grade 11 lesson where students test proportionality, take logarithms of flow and head-loss data, and recover a power model for an aging transmission main.
Grade 11 Worksheet
Lammermoor Brook Bacteria Counts: The Geometric Mean on a Log Scale
A grade 11 worksheet comparing the arithmetic and geometric means of five skewed bacteria counts, using base-ten logarithms and one added low sample.
Grade 11 Worksheet
Morwenna Creek at Westhorpe: Recurrence Intervals and Flood Odds
A grade 11 worksheet that ranks ten annual peak flows, computes recurrence intervals and exceedance probabilities, and builds an exponential ten-year risk function.
Grade 11 Worksheet
Rodmell's Digester Blend: Solving a Two-Stream Solids Balance
A grade 11 worksheet solving a system of two linear equations for the blend of thickened and primary sludge a digester needs, then checking solids in pounds per day.
Grade 11 Lesson plan
Sedgemount Orchards' Two Wells: Rational Equations for Fill Time
A 50-minute grade 11 lesson where students write and solve rational equations for the time two wells need to fill an irrigation pond, then add a leak to the model.
Grade 11 Project
Varnwell's Pumping Schedule: Least Cost Under a Time-of-Use Tariff
A four-session grade 11 project where teams build an hourly tank balance, design a 24-hour pumping schedule under storage limits, and defend its cost to a board panel.
Grade 11 Worksheet
Glenmark Bend Plant Residuals: Solids Loading and Drying Beds
A grade 11 worksheet on water plant residuals: students find solids loading with the pounds formula, size a drying bed, and compare hauling costs before and after drying.
Grade 11 Project
Amberly Landing's Drought Plan for Corvie Reservoir
A five-session grade 11 project building a monthly reservoir balance for a fictional district, then designing drought stages that hold a protected level.
Grade 11 Math problem set
Ansel Gorge Reservoir: Drawdown Functions and Storage Equations
A grade 11 problem set modeling a fictional reservoir's drought drawdown and refill with linear functions, graph features, and a two-variable storage equation.
Grade 11 Math problem set
Ashgrove Storage Tank: Modeling Chlorine Residual Decay
A grade 11 problem set contrasting linear and exponential decay of a fictional tank's chlorine residual, building a half-life model and comparing summer and winter.
Grade 11 Lesson plan
Brackenford Water Bills: Is the Rate Affordable?
A 50-minute grade 11 math lesson where students compute water-bill burden as a percent of income, compare it to a common 4.5% threshold, and project a rate increase.
Grade 11 Worksheet
Brenhollow's Center Pivots: Circles, Acre-Feet, and Pump Hours
A grade 11 worksheet on a fictional farm district's quarter-mile center pivot, moving from circle area to acre-feet, gallons, pump hours, and an aquifer cap.
Grade 11 Quiz & test questions
Coalport Plant Process Math: A Grade 11 Treatment Unit Test
A 45-minute, 30-point grade 11 unit test mixing multiple-choice, short-answer, and computation items on treatment process math for a fictional plant.
Grade 11 Quiz & test questions
Colwyn Flats Rebate Survey: A Grade 11 Sampling Quiz
A 30-point grade 11 quiz on a fictional utility's rebate survey, covering study type, response rate, margin of error, sample size, and nonresponse.
Grade 11 Worksheet
Corriston Valley Almond Orchard: An Irrigation Water-Budget Worksheet
A grade 11 worksheet using dimensional analysis to size an irrigation water budget for a fictional almond orchard, converting acre-feet to gallons, gpm, and MGD.
Grade 11 Worksheet
Draycott Municipal Well: Drawdown and Specific-Capacity Worksheet
A grade 11 worksheet on a new municipal well: students find drawdown, specific capacity, an average rate of change, and a pump discharge pressure in feet of head.
Grade 11 Worksheet
Fernwall Digester Startup: A Biogas Average Rate-of-Change Worksheet
A grade 11 worksheet computing average rate of change from a fictional digester's biogas startup table and interpreting how a maturing digester levels off.
Grade 11 Lesson plan
Grover Mill Lead Sampling: Ranking Taps to the 90th Percentile
A grade 11 lesson where students rank a fictional district's tap lead results, find the 90th-percentile value, and test it against the current and 2027 action levels.
Grade 11 Worksheet
Halstead Springs Sedimentation Basin: Detention and Overflow
A grade 11 worksheet computing basin volume, detention time, surface overflow rate, and weir overflow rate for a fictional plant's rectangular settling basin.