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Construction Math Fundamentals Flashcards

6 cards from real NCCER CORE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Construction Math Fundamentals flashcards as text

  1. Convert 3.75 feet to feet and inches.

    Answer: 3 feet 9 inches

    0.75 feet x 12 = 9 inches. So 3.75 feet = 3 feet 9 inches.

  2. A room requires 180 sq ft of tile. If tiles come in boxes of 20, how many boxes are needed?

    Answer: 9 boxes

    180 / 20 = 9 boxes.

  3. What is the perimeter of a 30 ft by 50 ft rectangular foundation?

    Answer: 160 feet

    Perimeter = 2(50 + 30) = 2(80) = 160 feet.

  4. How many cubic yards of concrete are needed for a 20 ft x 30 ft x 4 inch slab?

    Answer: 7.4 cubic yards

    4 inches = 0.333 ft. Volume = 20 x 30 x 0.333 = 200 cu ft. 200 / 27 = 7.4 cubic yards.

  5. What is 5 feet 8 inches plus 3 feet 7 inches?

    Answer: 9 feet 3 inches

    Feet: 5 + 3 = 8. Inches: 8 + 7 = 15. Convert: 15" = 1' 3". Total: 9 feet 3 inches.

  6. A staircase must rise 108 inches. With 7.5-inch risers, how many risers are needed?

    Answer: 14

    108 / 7.5 = 14.4, rounded to 14 risers with slight adjustment to riser height.