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Trade Mathematics Course 2026

This course is for apprentices, trades helpers and anyone preparing for trade school or a trades exam. Six lessons cover fractions and the tape measure, conversions and scale drawings, area and volume, ratios and percentages, right triangles and trigonometry, and estimating materials and costs, with worked examples from construction, electrical, plumbing, carpentry and welding. Each lesson has an untimed topic quiz, and a timed final assessment unlocks a Certificate of Completion when you score 80% or more.

  • Formation
  • Canada
  • 90 questions
  • Vérifié le 13 octobre 2026
  • Vérifié (faits) le 13 octobre 2026

En bref

Ce cours gratuit comprend environ 240 minutes de leçons, 6 quiz thématiques sans limite de temps (90 questions au total) et une évaluation finale chronométrée de 35 questions tirées au hasard. Obtenez 80 % ou plus à l’évaluation finale pour télécharger une attestation de réussite (privée, non accréditée). Vérifié à partir des sources officielles le 13 octobre 2026.

Commencez par les leçonsTrade Mathematics Course: Lessons : environ 240 minutes de lecture. Chaque question du test est traitée dans les leçons.

Ce que vous allez apprendre

  • Read imperial and metric tapes and work with fractions of an inch
  • Convert between imperial and metric units, including areas and volumes
  • Read real lengths from metric and imperial scale drawings
  • Calculate perimeter, area and volume for rooms, slabs, footings, tanks and pipes
  • Use ratios, percentages, slope and roof pitch on the job
  • Use the Pythagorean theorem and basic trigonometry for layout, rafters and offsets
  • Estimate material quantities and build a job price with labour and GST

Obtenez 80 % ou plus pour télécharger votre certificat.

Votre plan d’étude

Lisez chaque leçon, faites son quiz thématique (sans limite de temps, avec explications), puis l’évaluation finale chronométrée. Un nouveau mélange de questions est tiré à chaque fois. Votre progression est enregistrée dans ce navigateur.

  1. Lire les leçons6 leçons, environ 240 min
  2. Quiz thématique 1 : Fractions, decimals and the tape measure15 questions
  3. Quiz thématique 2 : Measurement, conversions and scale drawings15 questions
  4. Quiz thématique 3 : Perimeter, area and volume15 questions
  5. Quiz thématique 4 : Ratios, proportions and percentages15 questions
  6. Quiz thématique 5 : Angles, right triangles and trigonometry15 questions
  7. Quiz thématique 6 : Estimating materials and costs15 questions
  8. Examen final35 questions, 35 min · Obtenez 80 % ou plus

Quiz thématique 1 : Fractions, decimals and the tape measure

  1. Question 1 sur 15

    A tape measure is marked in sixteenths of an inch. How many sixteenths are in 3/4 in?
    Voir la réponse

    Réponse: B. 12

    3/4 = 12/16, because you multiply the top and bottom by 4. So 3/4 in is 12 sixteenth marks.

  2. Question 2 sur 15

    You measure a gap of 10/16 in. What is this fraction in lowest terms?
    Voir la réponse

    Réponse: C. 5/8 in

    Divide the top and the bottom by the same number. 10 ÷ 2 = 5 and 16 ÷ 2 = 8, so 10/16 = 5/8.

  3. Question 3 sur 15

    What is 7/8 in as a decimal?
    Voir la réponse

    Réponse: B. 0.875 in

    Divide the top by the bottom: 7 ÷ 8 = 0.875. (0.625 is 5/8 and 0.75 is 3/4.)

  4. Question 4 sur 15

    A carpenter adds two measurements: 2 3/8 in + 1 3/4 in. What is the total?
    Voir la réponse

    Réponse: D. 4 1/8 in

    Change 3/4 to 6/8, then add: 3/8 + 6/8 = 9/8 = 1 1/8. Add the whole numbers (2 + 1 = 3) and the carried 1 to get 4 1/8 in.

  5. Question 5 sur 15

    A board is 96 in long. You cut off a piece 35 5/8 in long. Ignoring the saw cut, how long is the piece that is left?
    Voir la réponse

    Réponse: D. 60 3/8 in

    Borrow 1 inch: 96 = 95 8/8. Then 95 8/8 − 35 5/8 = 60 3/8 in.

  6. Question 6 sur 15

    You cut 4 pieces, each 18 1/4 in long, from one board. Each cut removes 1/8 in of wood (the kerf), and you make 4 cuts. How much of the board do you use?
    Voir la réponse

    Réponse: C. 73 1/2 in

    Pieces: 4 × 18 1/4 = 73 in. Kerf: 4 × 1/8 = 1/2 in. Total 73 + 1/2 = 73 1/2 in.

  7. Question 7 sur 15

    You stack 6 spacer blocks. Each block is 1 5/8 in thick. How tall is the stack?
    Voir la réponse

    Réponse: D. 9 3/4 in

    Change 1 5/8 to an improper fraction: 13/8. Then 6 × 13/8 = 78/8 = 9 6/8 = 9 3/4 in.

  8. Question 8 sur 15

    You must divide 72 in into 5 equal spaces. What is each space, to the nearest 1/16 in?
    Voir la réponse

    Réponse: B. 14 3/8 in

    72 ÷ 5 = 14.4 in. 0.4 × 16 = 6.4 sixteenths, which rounds to 6/16 = 3/8. So each space is about 14 3/8 in.

  9. Question 9 sur 15

    A plan gives a length of 12.75 ft. What is this in feet and inches?
    Voir la réponse

    Réponse: D. 12 ft 9 in

    Only the decimal part changes: 0.75 ft × 12 = 9 in. So 12.75 ft = 12 ft 9 in, not 12 ft 7.5 in.

  10. Question 10 sur 15

    A metric tape reads 1 metre, 4 centimetres and 7 millimetres. What is this length in metres?
    Voir la réponse

    Réponse: D. 1.047 m

    4 cm = 0.04 m and 7 mm = 0.007 m. 1 + 0.04 + 0.007 = 1.047 m.

  11. Question 11 sur 15

    On a tape marked in sixteenths, the end of a part lines up 5 small marks past the 2-inch line. How long is the part?
    Voir la réponse

    Réponse: B. 2 5/16 in

    Each small mark is 1/16 in, so 5 marks = 5/16 in. The length is 2 5/16 in.

  12. Question 12 sur 15

    You join three pieces of pipe: 1.25 m, 760 mm and 0.6 m. What is the total length?
    Voir la réponse

    Réponse: D. 2.61 m

    Put everything in metres first: 760 mm = 0.76 m. Then 1.25 + 0.76 + 0.6 = 2.61 m.

  13. Question 13 sur 15

    A drawing gives a thickness of 0.3125 in. What fraction of an inch is this?
    Voir la réponse

    Réponse: B. 5/16 in

    Multiply by 16: 0.3125 × 16 = 5. So 0.3125 in = 5/16 in.

  14. Question 14 sur 15

    Which of these drill bit sizes is the largest?
    Voir la réponse

    Réponse: B. 5/8 in

    Change each to a decimal: 5/8 = 0.625, 19/32 = 0.594, 0.6 and 9/16 = 0.5625. 0.625 is the largest.

  15. Question 15 sur 15

    A board is 47 3/8 in long. Where do you mark its centre, measured from one end?
    Voir la réponse

    Réponse: B. 23 11/16 in

    Half of 47 is 23 1/2 = 23 8/16, and half of 3/8 (6/16) is 3/16. 23 8/16 + 3/16 = 23 11/16 in.

À savoir avant l’examen

  • The Government of Canada's Skills for Success model defines numeracy as the ability to find, understand, use and report mathematical information in words, numbers, symbols and graphics.
  • Numeracy is one of nine Skills for Success. The model describes five numeracy proficiency levels; at the highest level, tasks have several steps and numbers may need to be derived or estimated.
  • Under the Weights and Measures Act, all units of measurement used in Canada are based on the International System of Units (SI).
  • The Act defines the yard as exactly 0.9144 metre and the inch as 1/36 of a yard, so 1 inch is exactly 25.4 mm.
  • The Act defines the Canadian gallon as 0.00454609 cubic metre (4.54609 L) and the pound as 0.45359237 kilogram.
  • Red Seal exam questions are multiple choice with four choices and one correct answer, and the pass mark is 70%.
  • The Red Seal exam guide advises candidates to know the math concepts used in their trade and to estimate the answer to a calculation question first.
  • The Canada Revenue Agency lists the GST rate in Alberta as 5%, with no provincial sales tax.

Questions fréquentes

What is the Certificate of Completion, and what is it not?

It shows that you finished this course and scored at least 80% on the final assessment. It is not an accredited qualification, a Red Seal or apprenticeship credential, or a government, employer or vendor certification.

Will this course prepare me for the Red Seal exam?

It practises the general math that many trades use, which can help. The Red Seal exam also tests the full knowledge of your trade, so study your trade's occupational standard and official Red Seal preparation materials too.

Does the course use metric or imperial units?

Both, because Canadian job sites use both. Lesson 2 shows how to convert between them using the exact definitions in the Weights and Measures Act.

Can I use a calculator?

Yes. Most questions are easier with a calculator, and the trigonometry questions need one set to degrees. Estimate the answer first so you can spot a slip.

How does the final assessment work?

It has 35 questions drawn at random from the course question bank, with a 35-minute time limit. You need 80% to pass, and each attempt gives a new mix of questions.

L’attestation est-elle accréditée ou reconnue officiellement ?

Non. C’est une attestation de réussite privée, uniquement pour vos connaissances. Elle n’est reconnue, accréditée ni approuvée par aucun gouvernement, organisme de délivrance des permis, autorité de réglementation ou établissement d’enseignement, et elle ne remplace aucun permis, aucune certification ni aucune formation exigés par la loi.

Sources