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Grade 8 · Common Fractions
Squares, Cubes & Roots of Fractions
MEMORANDUM
Name: 
Class: 
Date: 
Mark
  / 14

Answer all questions. Show all your working — marks are awarded for method as well as the final answer. Teacher copy: accept any correct equivalent method.

  1. 1
    (1/2)2
    (1)
    12/22 = 1/4✓ (1)
  2. 2
    (2/5)2
    (1)
    4/25✓ (1)
  3. 3
    (3/4)2
    (1)
    9/16✓ (1)
  4. 4
    (2/3)3
    (1)
    8/27✓ (1)
  5. 5
    (1/2)3
    (1)
    1/8✓ (1)
  6. 6
    √(4/9)
    (1)
    2/3✓ (1)
  7. 7
    √(25/36)
    (2)
    5/6✓✓ (2)
  8. 8
    ∛(1/8)
    (2)
    1/2✓✓ (2)
  9. 9
    ∛(27/64)
    (2)
    3/4✓✓ (2)
  10. 10
    (11/3)2
    (2)
    (4/3)2 = 16/9 = 1 7/9✓✓ (2)
TOTAL: 14 marks
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