1 A Med Math (gr-mg)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is an easy way to remember conversions of gr to mg? | The grain clock
The grain clock is thinking of the face of a clock and applying gr to mg like this. 1hr=60min, gr1=60mg, 1/4hr=15min, gr1/4=15mg, 1/2hr=30min, gr1/2=30mg, 3/4hr=45min, gr3/4=45mg
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| 1/4hr=___mins | 1/4hr=15mins
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| 1/2hr=___mins | 1/2hr=30mins
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| 3/4hr=___mins | 3/4hr=45mins
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| 1hr=____mins | 1hr=60mins
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| gr1/4=___mg | gr1/4=15mg
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| gr1/2=___mg | gr1/2=30mg
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| gr3/4=___mg | gr3/4=45mg
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| gr1=____mg | gr1=60mg
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| gr1/4=___mg | gr1/4=15mg
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| gr1/2=___mg | gr1/2=30mg
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| gr3/4=___mg | gr3/4=45mg
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| gr1=____mg | gr1=60mg
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| gr1/4=___mg | gr1/4=15mg
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| gr1/2=___mg | gr1/2=30mg
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| gr3/4=___mg | gr3/4=45mg
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| gr1=____mg | gr1=60mg
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| 1/4hr=___mins | 1/4hr=15mins
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| gr1/4=___mg | gr1/4=15mg
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| gr1/150=___mg | gr1/150=0.4mg
here is still the same numerals, a 1, a 5, and a 4 just reversed on the sides of the equation with zero's added.
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| 1/150hr=____mins | 1/150hr=0.4mins
1hr=60mins. 60mins. divided by 150 = 0.4mins
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| gr1/150=____mg | gr1/150=0.4mg
gr1=60mg. 60mg divided by 150 = 0.4mg
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| gr1/150=____mg | gr1/150=0.4mg
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| gr1/150=____mg | gr1/150=0.4mg
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| gr1/150=____mg | gr1/150=0.4mg
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| 1/2hr=____mins | 1/2hr=30mins
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| gr1/2=____mg | gr1/2=30mg
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| 1/300hr=___mins | 1/300hr=0.2mins
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| gr1/300=___mg | gr1/300=0.2mg
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| gr1/300=___mg | gr1/300=0.2mg
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| gr1/300=___mg | gr1/300=0.2mg
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| gr1/300=___mg | gr1/300=0.2mg
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| gr1/300=___mg | gr1/300=0.2mg
here is still the same numerals, a 1, a 2, and a 3 just reversed on the sides of the equation and zeros added.
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| 1/300hr=___mins | 1/300hr=0.2mins
1hr=60mins. 60mins. divided by 300 = 0.2mins
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| gr1/300=0.2mg | gr1/300=0.2mg
gr1=60mg. 60mg divided by 300 = 0.2mg
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| gr1=___mg | gr1=60mg
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| gr15=____mg | gr15=1000mg
gr15 X 60mg = 900mg but rounds up to be 1000mg or 1g
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| gr15=____g | gr15=1g
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| gr15=____g | gr15=1g
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| gr15=____g | gr15=1g
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| 1g=gr____ | 1g=gr15
Since a paperclip weighs 1g think of stretching out the paperclip and cutting it into 15 pieces holding the pieces in your hand they may look somewhat like 15 grains of rice.
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| 1g=gr____ | 1g=gr15
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| 1g=gr____ | 1g=gr15
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