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Maths
Addition and subtraction of fractions and mixed numbers (within a whole)

Starter quiz

  • Look at this number 2 {{5} \over {6}} We say it as two and five ______.
    • 'sixths' ✓
  • Look at the part-part-whole model. What is the missing part?
    Look at the part-part-whole model. What is the missing part?
    • 2  ✓
    • 3
    • {2} \over {5}
    • {5} \over {3}
    • 5
  • Look at the part-part-whole model. <Math>5 {{8} \over {10}}</Math> is composed of five wholes and eight-<span class="blank">______</span>
    Look at the part-part-whole model. 5 {{8} \over {10}} is composed of five wholes and eight-______
    • 'tenths' ✓
  • Which fraction shows how much of the bar has been shaded grey?
    Which fraction shows how much of the bar has been shaded grey?
    • {2} \over {3}
    • {3} \over {2}
    • {3} \over {5}  ✓
    • {3} \over {6}
  • Match the expressions to their sum.
    • {1} \over {4} + {2} \over {4}
      ⇔
      {3} \over {4} ✓
    • {1} \over {6} + {3} \over {6}
      ⇔
      {4} \over {6} ✓
    • {2}\over {10} + {3} \over {10}
      ⇔
      {5} \over {10} ✓
    • {3} \over {8} + {2} \over {8}
      ⇔
      {5} \over {8} ✓
  • Sofia drinks one-fifth of a litre of water in the morning and two-fifths of a litre of water in the afternoon. How many litres has she drunk in total?
    • {3} \over {10}
    • {3} \over {5}  ✓
    • {5} \over {3}
    • 1{{3} \over {5}}
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