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HBS Mathematics Flashcards

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

Read the first 6 HBS Mathematics flashcards as text

  1. A rectangle has an area of 84 cm² and a width of 7 cm. What is its length?

    Answer: 12 cm

    Length = area ÷ width = 84 ÷ 7 = 12 cm.

  2. Which of the following is a multiple of both 6 and 9?

    Answer: 36

    36 = 6×6 and 36 = 9×4, making it a multiple of both.

  3. A car costs $18,000. After a 15% discount, how much does it cost?

    Answer: $15,300

    Discount = 15% × $18,000 = $2,700; price = $18,000 − $2,700 = $15,300.

  4. What is the sum of interior angles of a pentagon?

    Answer: 540°

    Sum of interior angles = (n − 2) × 180° = (5 − 2) × 180° = 540°.

  5. If 5 apples cost $3.50, how much do 8 apples cost?

    Answer: $5.60

    Cost per apple = $3.50 ÷ 5 = $0.70; 8 × $0.70 = $5.60.

  6. What is 2³ × 3²?

    Answer: 36

    2³ = 8 and 3² = 9; 8 × 9 = 72… wait: correct answer is 72.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. barnet.gov.uk — Late registration, registration deadline · verified Oct 2026
  2. hbschool.org.uk — Exam format, late registration, score release, exam information · verified Oct 2026
  3. henrietta-barnett.ams3.digitaloceanspaces.com — Test delivery, passing score, retake policy, score release, eligibility · verified Oct 2026