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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.

  • Kurso
  • Canada
  • 90 tanong
  • Sinuri noong Oktubre 13, 2026
  • Na-fact-check noong Oktubre 13, 2026

Mabilis na sagot

Ang libreng kursong ito ay may mga 240 minutong aralin, 6 quiz sa paksa na walang limitasyon sa oras (90 tanong lahat) at isang final assessment na may oras na may 35 tanong na pinili nang random. Kumuha ng 80% o higit pa sa final assessment para ma-download ang sertipiko ng pagkumpleto (pribado, hindi accredited). Sinuri laban sa mga opisyal na sanggunian noong Oktubre 13, 2026.

Magsimula sa mga aralinTrade Mathematics Course: Lessons: mga 240 minutong pagbasa. Saklaw ng mga aralin ang bawat tanong sa pagsusulit.

Ang matututunan mo

  • 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

Kumuha ng 80% o higit pa para ma-download ang iyong sertipiko.

Ang iyong study plan

Basahin ang bawat aralin, sagutan ang quiz nito (walang limitasyon sa oras, may paliwanag), saka ang final assessment na may oras. Bagong halo ng mga tanong ang pinipili sa bawat pagkakataon. Naka-save ang iyong progreso sa browser na ito.

  1. Basahin ang mga aralin6 aralin, mga 240 min
  2. Quiz sa paksa 1: Fractions, decimals and the tape measure15 tanong
  3. Quiz sa paksa 2: Measurement, conversions and scale drawings15 tanong
  4. Quiz sa paksa 3: Perimeter, area and volume15 tanong
  5. Quiz sa paksa 4: Ratios, proportions and percentages15 tanong
  6. Quiz sa paksa 5: Angles, right triangles and trigonometry15 tanong
  7. Quiz sa paksa 6: Estimating materials and costs15 tanong
  8. Final exam35 tanong, 35 min · Kumuha ng 80% o higit pa

Quiz sa paksa 1: Fractions, decimals and the tape measure

  1. Tanong 1 ng 15

    A tape measure is marked in sixteenths of an inch. How many sixteenths are in 3/4 in?
    Ipakita ang sagot

    Sagot: B. 12

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

  2. Tanong 2 ng 15

    You measure a gap of 10/16 in. What is this fraction in lowest terms?
    Ipakita ang sagot

    Sagot: 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. Tanong 3 ng 15

    What is 7/8 in as a decimal?
    Ipakita ang sagot

    Sagot: 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. Tanong 4 ng 15

    A carpenter adds two measurements: 2 3/8 in + 1 3/4 in. What is the total?
    Ipakita ang sagot

    Sagot: 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. Tanong 5 ng 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?
    Ipakita ang sagot

    Sagot: D. 60 3/8 in

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

  6. Tanong 6 ng 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?
    Ipakita ang sagot

    Sagot: 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. Tanong 7 ng 15

    You stack 6 spacer blocks. Each block is 1 5/8 in thick. How tall is the stack?
    Ipakita ang sagot

    Sagot: 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. Tanong 8 ng 15

    You must divide 72 in into 5 equal spaces. What is each space, to the nearest 1/16 in?
    Ipakita ang sagot

    Sagot: 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. Tanong 9 ng 15

    A plan gives a length of 12.75 ft. What is this in feet and inches?
    Ipakita ang sagot

    Sagot: 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. Tanong 10 ng 15

    A metric tape reads 1 metre, 4 centimetres and 7 millimetres. What is this length in metres?
    Ipakita ang sagot

    Sagot: D. 1.047 m

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

  11. Tanong 11 ng 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?
    Ipakita ang sagot

    Sagot: 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. Tanong 12 ng 15

    You join three pieces of pipe: 1.25 m, 760 mm and 0.6 m. What is the total length?
    Ipakita ang sagot

    Sagot: 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. Tanong 13 ng 15

    A drawing gives a thickness of 0.3125 in. What fraction of an inch is this?
    Ipakita ang sagot

    Sagot: B. 5/16 in

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

  14. Tanong 14 ng 15

    Which of these drill bit sizes is the largest?
    Ipakita ang sagot

    Sagot: 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. Tanong 15 ng 15

    A board is 47 3/8 in long. Where do you mark its centre, measured from one end?
    Ipakita ang sagot

    Sagot: 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.

Ang dapat malaman bago ang pagsusulit

  • 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.

Mga madalas itanong

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.

Accredited ba o opisyal na kinikilala ang sertipiko?

Hindi. Ito ay pribadong sertipiko ng pagkumpleto para lamang sa kaalaman. Hindi ito kinikilala, hindi accredited at hindi inaprubahan ng anumang pamahalaan, ahensyang nagbibigay ng lisensya, regulator o institusyong pang-edukasyon, at hindi nito pinapalitan ang anumang lisensya, sertipikasyon o pagsasanay na hinihingi ng batas.

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