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Grade 8 · Decimal Fractions
Multiplying & Dividing Decimals
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
    4,27 × 10
    (2)
    42,7✓✓ (2)
  2. 2
    0,85 × 1000
    (2)
    850✓✓ (2)
  3. 3
    63,5 ÷ 100
    (2)
    0,635✓✓ (2)
  4. 4
    0,6 × 0,4
    (2)
    6×4 = 24, 2 dp → 0,24✓✓ (2)
  5. 5
    1,5 × 0,3
    (2)
    15×3 = 45, 2 dp → 0,45✓✓ (2)
  6. 6
    2,4 × 1,5
    (2)
    24×15 = 360, 2 dp → 3,6✓✓ (2)
  7. 7
    0,9 ÷ 0,3
    (2)
    ×10 both → 9 ÷ 3 = 3✓✓ (2)
  8. 8
    8,4 ÷ 0,4
    (2)
    ×10 both → 84 ÷ 4 = 21✓✓ (2)
  9. 9
    2,25 ÷ 0,15
    (2)
    ×100 both → 225 ÷ 15 = 15✓✓ (2)
  10. 10
    1 kg of rice costs R24,50. What do 2,5 kg cost?
    (2)
    24,50 × 2,5 = R61,25✓✓ (2)
TOTAL: 20 marks
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