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MATH Flashcards

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

Read the first 7 MATH flashcards as text

  1. Which of the following is a prime number?

    Answer: 59

    59 has no factors other than 1 and itself; 51 = 3×17, 57 = 3×19, 63 = 9×7.

  2. What is the nth term of the sequence 5, 9, 13, 17, 21, …?

    Answer: 4n + 1

    The common difference is 4 and the first term gives 4(1) + 1 = 5, confirming 4n + 1.

  3. A car travels 180 km in 2.5 hours. What is its average speed?

    Answer: 72 km/h

    Speed = Distance ÷ Time = 180 ÷ 2.5 = 72 km/h.

  4. Simplify the ratio 48 : 36.

    Answer: 4:3

    Divide both by their HCF (12): 48/12 = 4 and 36/12 = 3, giving 4:3.

  5. If y = x² − 3x + 2, what is the value of y when x = 4?

    Answer: 6

    y = 16 − 12 + 2 = 6.

  6. What is the interior angle sum of a hexagon?

    Answer: 720°

    Sum of interior angles = (n − 2) × 180° = (6 − 2) × 180° = 720°.

  7. A price of $80 is increased by 35%. What is the new price?

    Answer: $108

    $80 × 1.35 = $108.