Grade 11 Math problem set
Verrin District PFAS Pilot: Comparing Two Carbon Filters
A grade 11 statistics problem set comparing two carbon media for PFAS removal, using a randomization simulation to judge whether the difference is significant.
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 Project
Vireo Lake Plant: A Chlorine Residual Control-Chart Study
A four-session grade 11 statistics project building a control chart from a fictional plant's 20-day records and writing a compliance memo to a water board.
Grade 11 Lesson plan
Water Operator Exam Math: Chlorine Dose and the Career Path
A grade 11 lesson pairing the certification-exam pounds formula for chlorine feed with water-sector career paths and operator wage data, set at a fictional plant.
Grade 11 Worksheet
Wendover Valley Hypochlorite Feed: Dose and Pump-Setting Math
A grade 11 operator-math worksheet: turn a chlorine dose at a fictional plant into pounds per day, gallons of 12.5% hypochlorite, and a feed-pump setting.
Grade 11 Project
Wexford's Lost Water: A Non-Revenue Water Audit Project
A grade 11 multi-session project auditing a fictional utility's water loss, fitting a trend line to monthly leakage and weighing a repair program against lost revenue.
Grade 11 Worksheet
Windham Creek Dissolved Oxygen: Comparing Seasonal Spread
A grade 11 statistics worksheet comparing summer and winter dissolved-oxygen readings from a fictional creek using mean, median, IQR, standard deviation, and outliers.
Grade 11 Lesson plan
Wrenfield Development Runoff: Rational Method Design Lesson
A grade 11 lesson using the rational method to compare pre- and post-development peak runoff for a fictional site and design green infrastructure to a limit.
Grade 11 Lesson plan
Wychcombe Commons Rain Gardens: A Randomization Test
A grade 11 lesson comparing runoff from twelve fictional parking bays with a randomization test, using a supplied simulation to estimate a p-value.
Grade 11 Lesson plan
Bellwood Reservoir's Drawdown and Mussel Colony: Fitting Growth Models
A grade 11 lesson where students fit linear and exponential functions from two logged data points and solve for an unknown time value using logarithms.
Grade 11 Lesson plan
Birch Hollow's Three Rate Plans: Break-Even Systems and Intervals
A grade 11 lesson where students solve three systems of equations comparing three water-rate plans and determine which plan is cheapest across each usage interval.
Grade 11 Math problem set
Corbett Springs Plant: Detention, Filter Loading, and Chlorine Math
A grade 11 math set sizing the fictional Corbett Springs treatment plant: basin volume, detention time, filter loading rate, and a chlorine feed calculation.
Grade 11 Worksheet
Alder Basin's Chlorine Feed Rate: Pounds Formula and Unit Conversions
A grade 11 worksheet where students use the pounds formula and chained unit conversions to size a fictional plant's chlorine feed rate and solution dosing.
Grade 11 Math problem set
Cobalt Bay Desalination: Correlating Production and Energy Use
A grade 11 problem set where students compute and interpret a correlation coefficient between a fictional desalination plant's production and energy use.
Grade 11 Math problem set
Deer Hollow Monitoring Wells: Box Plots, Outliers, and Nitrate
A grade 11 problem set where students build a box plot from fictional groundwater monitoring wells' nitrate data and decide how an outlier should be handled.
Grade 11 Worksheet
Harmon Ridge vs. Cutler Bend: Comparing Chlorine Residual Consistency
A grade 11 worksheet where students calculate the mean and standard deviation of two fictional treatment plants' chlorine residual data to compare consistency.
Grade 11 Worksheet
Kestrel Bend's Clearwell: Chlorine Dosing and Detention-Time Math
Grade 11 students chain unit conversions through the pounds formula and detention-time formula to check a fictional plant's chlorine dose and clearwell sizing.
Grade 11 Project
Rowan Heights Tap Water Claims: Evaluating a Company's Report
A grade 11 project where teams evaluate a fictional bottled-water company's statistical claims against real EPA lead action levels over three sessions.
Grade 11 Classroom activity
Thistlewood Well Field Sampling Relay: A Sampling Distribution
A grade 11 activity where teams draw repeated random samples from a fictional well field to build a class sampling distribution and estimate its spread.
Grade 11 Worksheet
Thornfield's Tap Sampling: Mean Lead Level and Margin of Error
A grade 11 worksheet where students use a fictional city's sample mean and a simulated margin of error to estimate its true citywide tap-water lead level.
Grade 11 Math problem set
Pinewood Creek Streamflow: Fitting a Rainfall Regression Line
A grade 11 statistics problem set where students fit a regression line to eight years of fictional rainfall and streamflow data, then interpret r and r-squared.