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∑ DANEMATHICS
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Grade 8 · Common Fractions
Squares, Cubes & Roots of Fractions
MEMORANDUM
Name: 
Class: 
Date: 
Mark
  / 20

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
    (12)2
    (2)
    1222 = 14✓✓ (2)
  2. 2
    (25)2
    (2)
    425✓✓ (2)
  3. 3
    (34)2
    (2)
    916✓✓ (2)
  4. 4
    (23)3
    (2)
    827✓✓ (2)
  5. 5
    (12)3
    (2)
    18✓✓ (2)
  6. 6
    49
    (2)
    23✓✓ (2)
  7. 7
    2536
    (2)
    56✓✓ (2)
  8. 8
    18
    (2)
    12✓✓ (2)
  9. 9
    2764
    (2)
    34✓✓ (2)
  10. 10
    (113)2
    (2)
    (43)2 = 169 = 1 79✓✓ (2)
TOTAL: 20 marks
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