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Capstone Jan 1 - 7 25 questions
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Monday 7 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 135. What are the numbers?

    Answer: 44, 45, and 46
  2. 2. Algebra

    Solve: x⁄7 = 5.1428571428571

    Answer: x = 36
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 44cm. Find the angle

    Answer: 53.8°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 4 blue and 2 green sections. Probability of landing on red?

    Answer: 2⁄5

Tuesday 8 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 90. What are the numbers?

    Answer: 29, 30, and 31
  2. 2. Algebra

    Factorise fully: 24x² + 8x

    Answer: 4x(6x + 2)
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 22cm. Find the angle

    Answer: 39.4°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 3 blue and 3 green sections. Probability of landing on red?

    Answer: 1⁄3

Wednesday 9 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 114. What are the numbers?

    Answer: 37, 38, and 39
  2. 2. Algebra

    Factorise fully: 21x² + 18x

    Answer: 3x(7x + 6)
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 36cm. Find the angle

    Answer: 56.3°
  4. 4. Ratio

    Calculate 47.6% of 388

    Answer: 184.69
  5. 5. Statistics

    A spinner has 3 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 3⁄8

Thursday 10 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 144. What are the numbers?

    Answer: 47, 48, and 49
  2. 2. Algebra

    Solve: x⁄2 = 8.5

    Answer: x = 17
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 21cm. Find the angle

    Answer: 40.4°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 6 blue and 4 green sections. Probability of landing on red?

    Answer: 3⁄13

Friday 11 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 857

    Answer: 1855
  2. 2. Algebra

    Expand: 5(4x - 11)

    Answer: 20x - 55
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 38cm. Find the angle

    Answer: 56.5°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 6 blue and 6 green sections. Probability of landing on red?

    Answer: 1⁄7