Guides
Miss one section and you typically wait 6 to 12 months. Start with the one that would miss the cutoff. Locals vary. Check your local's test format.
Prep
Closer to #1 means you get called sooner and then start the apprenticeship. Wages start sooner when you start sooner.
Start here
Find which section would miss the cutoff. Then try 18 free.
Open guide →Study techniques that actually work
Five techniques you can try on the page: recall, spacing, mixed practice, weak-section focus, and a timed glance.
Open guide →Sample questions
One short original example per skill. Then the free check-up.
Open guide →Applicant Waiting List
This test is the gate. A higher score usually means you get called sooner.
Open guide →Study guides
Paper folding is the usual surprise. Then mechanical and reading from memory.
Figure Visualization
Paper folding and unfolded nets. A common surprise miss that can put you under the cutoff.
Open guide →Mechanical
Gears, pulleys, and levers. Miss how they move and that section can put you under the cutoff.
Open guide →Reading
Read a passage, then answer from memory after it is taken away.
Open guide →Math and tape measure
Interactive study guide. Rectangles, triangles, circles, and tape-measure reading to 1/16 inch, with worked examples on the page.
Open guide →Career guidance
Quarter and Year include career guidance.
Career guidance
Applicant Waiting List, what happens after a call, and how to talk to your local. Included with Quarter and Year.
Open guide →Applicant Waiting List
The test is the gate. A higher score usually means you get called sooner. Locals vary. We do not promise a rank.
Open guide →After you get called
What typically happens next. Confirm the steps with your local. No one local's process is universal.
Open guide →Talking to your local
Useful questions. No dark patterns. We will not get you in.
Open guide →Trade math
The math a plumber uses. Pencil-and-paper, no calculator.
Trade math: library overview
The full trade-math section: tape measure, fractions, square feet, cubic feet, perimeter.
Open guide →How to read a tape measure to 1/16 inch
Miss a 1/16 read and that section can put you under the cutoff.
Open guide →Adding, subtracting, multiplying & dividing fractions
Common denominators, improper fractions, mixed numbers. Four worked operations and a 4-question quiz.
Open guide →Calculating total square feet
Area of rectangles, triangles, circles, and composite shapes like L-shaped rooms.
Open guide →Calculating total cubic feet
Volume of boxes and cylinders, plus the unit conversions (1 cu ft = 1,728 cu in ≈ 7.48 gallons) plumbers use daily.
Open guide →Perimeter of shapes and objects
Rectangles, triangles, circles (circumference), and composite outlines like L-shaped decks.
Open guide →Try 18 questions free
Score high. Get called sooner. This test puts you on the Applicant Waiting List. Miss the cutoff and you typically wait 6 to 12 months. Eighteen questions. No card.