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Mathematics Flashcards

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

Read the first 6 Mathematics flashcards as text
  1. What is 25% of 160?

    Answer: 40

    25% means 25/100 = 0.25, and 0.25 × 160 = 40.

  2. Which expression represents 'six less than twice a number n'?

    Answer: 2n − 6

    'Twice a number n' is 2n, and 'six less than' means subtract 6, giving 2n − 6.

  3. A number line shows points at −3, 0, and 4. Which order lists them from least to greatest?

    Answer: −3, 0, 4

    On a number line, values increase from left to right, so the correct order is −3, 0, 4.

  4. What is the least common multiple (LCM) of 4 and 6?

    Answer: 12

    The multiples of 4 are 4, 8, 12… and multiples of 6 are 6, 12…, so the LCM is 12.

  5. A store sells notebooks for $2.50 each. How much do 8 notebooks cost?

    Answer: $20.00

    Multiply the unit price by the quantity: $2.50 × 8 = $20.00.

  6. Which shape has exactly 4 right angles and 4 equal sides?

    Answer: Square

    A square has 4 equal sides and 4 right angles, distinguishing it from a rhombus which may not have right angles.

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