77871
Beschreibung
Mindmap von Emma Boxley, aktualisiert more than 1 year ago
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Erstellt von Emma Boxley
vor mehr als 11 Jahre
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Bounds
- Method
- Take the unit that the number is rounded to e.g to the nearest 1
- Halve it e.g 1/2 = 0.5
- And take it away/ plus it from the number you are doing e.g 30 - 0.5 = 29.5 (LB) 30+0.5= 30.5 (UB)
- And take it away/ plus it from the number you are doing e.g 30 - 0.5 = 29.5 (LB) 30+0.5= 30.5 (UB)
- Halve it e.g 1/2 = 0.5
- Take the unit that the number is rounded to e.g to the nearest 1
- Calculations with bounds
- e.g.A sack of sand weighs 20 kg measured to the nearest kg. It is used to fill bags that will contain 250 g of
sand measured to the nearest 10 g. Work out the maximum number of bags that can be filled.
- 245/20500= 83.67...
- 84 bags can be filled max
- 84 bags can be filled max
- 245/20500= 83.67...
- e.g.A sack of sand weighs 20 kg measured to the nearest kg. It is used to fill bags that will contain 250 g of
sand measured to the nearest 10 g. Work out the maximum number of bags that can be filled.
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