Change pack
Lintel Jan 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 6 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 995 + 864

    Answer: 1859
  2. 2. Algebra

    Solve: x3 = 3.6666666666667

    Answer: x = 11
  3. 3. Geometry

    A circle has area 530.9cm². Find its radius (dp)

    Answer: 13cm
  4. 4. Ratio

    Find 83% of 355

    Answer: 294.65
  5. 5. Statistics

    Calculate the mean of: 39, 23, 12, 43, 26, 33

    Answer: 29.3

Tuesday 7 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -19 + (3)

    Answer: -16
  2. 2. Algebra

    Solve: 8x = 120

    Answer: x = 15
  3. 3. Geometry

    Opposite = 14cm, adjacent = 15cm. Calculate the angle

    Answer: 43°
  4. 4. Ratio

    Find 54% of 139

    Answer: 75.06
  5. 5. Statistics

    A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 415

Wednesday 8 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 391 + 743

    Answer: 391 + 743 = 1134
  2. 2. Algebra

    Solve: 4x = 12

    Answer: x = 3
  3. 3. Geometry

    Opposite = 11cm, adjacent = 19cm. Calculate the angle

    Answer: 30.1°
  4. 4. Ratio

    Simplify: 9:12:18

    Answer: 3:4:6
  5. 5. Statistics

    Find the range of: -8, -12, -9, 37, -15

    Answer: 52

Thursday 9 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 802

    Answer: 1800
  2. 2. Algebra

    Find the next term: 1, 4, 10, 19, ...

    Answer: 31
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 33cm. Find the angle

    Answer: 59°
  4. 4. Ratio

    Simplify: 24:20:8

    Answer: 6:5:2
  5. 5. Statistics

    A bag has 8 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 815

Friday 10 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 147. What are the numbers?

    Answer: 48, 49, and 50
  2. 2. Algebra

    Solve: x7 = 4.4285714285714

    Answer: x = 31
  3. 3. Geometry

    Opposite = 13cm, adjacent = 19cm. Calculate the angle

    Answer: 34.4°
  4. 4. Ratio

    Simplify: 6:12:4

    Answer: 3:6:2
  5. 5. Statistics

    A bag has 4 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 49