Math Grade III – Advanced Practice Activities
Training Outline
Complex water and wastewater calculations become easier with a structured approach and consistent practice.
This advanced Grade III math module begins with video instruction on dimensional analysis and solving complex math problems.
You’ll then work through applied operator calculations with detailed, step-by-step solutions covering lagoon depth, lift station runtime, solids recovery, organic loading, chemical feed rates, MLSS, BOD, and waste activated sludge rates. These practice activities help water and wastewater operators apply formulas, complete unit conversions, solve multi-step problems, and verify the accuracy of their results.
- Placement test1
Videos
- Dimensional Analysis
- How to Solve Complex Maths Problems
Chapter test - 2
Practice Activities
- Question #1 - ORP Sensor Installation
- Question #2 - Water Depth in a Lagoon
- Question #3 - Lift Station Runtime
- Question #4 - Percent Solids Recovery of a Belt Filter Press
- Question #5 - Organic Loading Rate of a Trickling Filter
- Question #6 - Feed Rate of a Bleach Solution
- Question #7 - MLSS Concentration
- Question #8 - 5-day Total BOD
- Question #9 - Waste Activated Sludge Rate
Chapter test - 3Chapter test
- 4Chapter test
- 5Chapter test
- 6Chapter test
- 7Chapter test
- 8Chapter test
Learning outcomes
- Apply appropriate formulas and unit conversions to calculate key operational parameters in water and wastewater treatment systems
- Solve Grade III calculations to build confidence in tackling complex problems
- Use a structured problem-solving approach and dimensional analysis to solve multi-step calculation problems and verify result accuracy
Level
Intermediate
Prerequisites
Check our Math Grade I to Math Grade III courses
Target audience
This course is designed for professional certified water and wastewater operators
Learning material and method
Video clips with a placement test, practice exercises, and a handout
Learning assessment method
Chapter tests (MCQs) with a minimum score of 70%
Practice complex calculations, build confidence
Work through realistic Grade III math problems designed for water and wastewater operators. Each activity includes a structured, step-by-step solution to help you apply formulas, complete unit conversions, use dimensional analysis, and verify your results. Build the confidence and problem-solving skills needed to tackle complex operational calculations.
Frequently Asked Questions
Get clear answers to questions about our online training solutions for water and wastewater operators. Learn about course approvals, CEU requirements, platform access, and more, all in one place.
Taking a course with Watura is simple and flexible.
Just subscribe to our online training platform, create your account, and choose any course that fits your needs. You can start learning immediately.
Subscribing to Watura gives you unlimited access to all our courses and exam prep modules.
We provide custom support if you need help on the platform.
With our credit meter you can follow the advancement of your training renewal requirements.
You can earn CEUs/contact hours easily by taking any courses approved by your State's department.
Check the list of pre-approved courses for your State on our catalog.
YES! Before adopting Watura as your training solution, you can create a FREE account.
With this free access you can explore the platform, the course catalog, take placement tests, and watch the first video of each course.