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Concept 2: Measurements - Coggle Diagram

- - - - 1000 mg= 1g
        
        1000 g=1 kg(kilogram)
        
        1000 kg= 1 Ton
- - - - M several centimetres up to 1 metre( eg. width of a tabletop)
        
        To the precision of 1 mm or 0.1 cm( 1dp)
    - - M several metres( eg. the length of a room)
        
        To the precision of 1 mm or 0.1 cm( 1dp)
    - - M several centimeters(eg. waist of a person)
        
        To the precision of 1 mm or 0.1 cm( 1dp)
    - - M up to 15 centimetres( eg. thickness of a laptop)
        
        To the precision of 0.01 mm or 0.001 cm(3 dp)
  - - - 10 mm=1 cm
        
        100 cm= 1m
        
        1000 m= 1km
- - - - Definition
        
        Estimating area of irregularly shaped object using small unit squares of known area and counting them
      - Procedure
        
        Place irregular shaped object on graph paper with unit squares
        
        Draw outline of object on paper
        
        Count areas of complete squares
        
        For incomplete squares, if area covers half or more of the squares area, count as full, anything less no count
      - Image of the grid paper