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addition |
The process of totalling figures is called addition.
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subtraction |
The inverse operation of addition is subtraction.
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multiplication |
The inverse of division is multiplication.
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division |
Addition, subtraction, multiplication and division are mathematical operations.
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parallel |
Parallel lines are the same distance apart and never touching.
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horizontal |
The x axis is horizontal.
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laboratory |
We conduct experiments in the laboratory.
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vertical |
A vertical cliff is a precipice.
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circumference |
The circumference of the circle was large.
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evaporation |
We boiled water and saw evaporation happen.
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condensation |
When the steam hit the cold bowl we saw condensation.
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respiration |
We are studying the differences between aerobic and anaerobic respiration.
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apparatus |
Do you have the correct apparatus for this experiment?
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safety |
The wounded climber was helped to safety.
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* This sentence was added by a Spellzone user.
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