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Working with fractions at l1

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Presentation on Fractions at level 1 of the adult core curriculum

Presentation on Fractions at level 1 of the adult core curriculum

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  • 1. Adult Numeracy Level 1 Working With Fractions Dave Cross Suffolk New College
  • 2. Fractions at Level 1
    • A fraction shows a number as mixture of whole numbers (integers) and parts of a whole (fractions)
    One and a Half = = = 1.5 Or Three Halfs One whole and one half 1- 2 1 3-2
  • 3. Fractions at Level 1
    • A proper fraction represents less than one whole
    The top number (numerator) is lower in value than the bottom number (denominator) 2 1
  • 4. Fractions at Level 1
    • An improper fraction represents more than one whole
    The top number (numerator) is higher in value than the bottom number (denominator) 2 3
  • 5. Fractions at Level 1
    • To turn an improper fraction into a mixed fraction we need to find how many times we can get the denominator into the numerator, using division
    So here we divide 3 by 2 giving one and a half Thus 3/2 (improper) = 1 ½ (Mixed) 2 3
  • 6. Fractions at Level 1
    • Notice the meaning of the line that separates the Numerator and the Denominator
    If we divide the number above the line by the number below, this will give us the same number expressed as a decimal = 2 3 1 0 3. 2 5 1.
  • 7. Fractions at Level 1
    • Notice the meaning of the line that separates the Numerator and the Denominator
    Lets try an example of a fraction we know = 4 3 3 0 7 2 0 5 3. 4 0.