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NAPLAN Numeracy Year 9 Practice Flashcards

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

Read the first 7 NAPLAN Numeracy Year 9 Practice flashcards as text

  1. A rectangular swimming pool is 25 m long and 10 m wide. What is the perimeter of the pool?

    Answer: 70 m

    Perimeter = 2 × (length + width) = 2 × (25 + 10) = 2 × 35 = 70 m

  2. A store sells a jacket for $180. During a sale, the price is reduced by 25%. What is the sale price?

    Answer: $135

    25% of $180 = $45. Sale price = $180 − $45 = $135

  3. The table shows students who chose each sport: Cricket: 12, Football: 18, Netball: 15, Swimming: 9, Tennis: 6. What percentage of students chose Football?

    Answer: 30%

    Total = 12+18+15+9+6 = 60. Football % = (18 ÷ 60) × 100 = 30%

  4. Solve for x: 3x + 7 = 22

    Answer: x = 5

    3x = 22 − 7 = 15, so x = 15 ÷ 3 = 5

  5. The mean of five test scores is 72. Four of the scores are 65, 78, 80 and 69. What is the fifth score?

    Answer: 68

    Sum of 5 scores = 72 × 5 = 360. Sum of 4 known = 65+78+80+69 = 292. Fifth = 360 − 292 = 68

  6. A cylinder has a radius of 4 cm and a height of 10 cm. What is its volume? (Use π ≈ 3.14)

    Answer: 502.4 cm³

    V = π × r² × h = 3.14 × 16 × 10 = 502.4 cm³

  7. A map uses a scale of 1 : 50 000. On the map, two towns are 6 cm apart. What is the actual distance in kilometres?

    Answer: 3 km

    Actual = 6 cm × 50 000 = 300 000 cm = 3 000 m = 3 km

NAPLAN Numeracy Year 9 Practice Flashcards — NAPLAN Study Cards with Answers