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Mathematics 2 ESO – Unit 2 RATIONAL NUMBERS Page 29 Activity 102

A fraction can be less than 1, equal to 1, or greater than 1.   For example:

    • One third (1/3) of a litre is less than one litre.
    • Five fifths (5/5)of a litre are equal to one litre.
    • Six fourths (6/4) of a litre are greater than one litre.

 

a)  Which of these fractions 1/2 ;  3/4 ; 4/3 ; 2/2 ;  3/2 ; 4/6 ; 1/5 ;  3/3 ; 4/4 ; 2/6 ;  6/2 ; 7/6    are:

  • I)  Less than 1?
  • II)  Equal to 1?
  • III)  Greater than 1?

b)  Divide and express in decimal form:

  • I)  2/3    IV)  1/9
  • II)  3/4    V)  8/10
  • III)  1/2    VI)  8/8

c)  Change these decimal numbers to fractions:

  • I)  0.5                  III)  0.1                  V)  1.5                    VII)  4.4
  • II)  0.6                  VI)  0.25                VI)  2.5                    VIII)  6.4

d)  Calculate:

  • I)  2/3 of 60 €
  • II)  3/4 of 60 €
  • III)  1/2 of 60 €
  • IV)  1/9 of 60 €

e)  1 Kg of oranges costs 2 €. How much does 3/4 of a Kg of oranges cost?