Englishfor English speakers
arithmetic
Noun
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The kind of mathematics in which addition, subtraction, multiplication, and division are done on numbers.
My son is starting to do simple arithmetic like math2 + 2 = 4/math.
chart
Noun
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A chart is information that is organised in rows and columns or as a picture.
In India as a whole the figure is about 40% (see chart).
This week's bar chart shows the correct figures.
You can write your weight in a diary or on a chart.
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(often plural) A chart is a list of most popular songs, movies, etc. that is published regularly.
This week, the newest Star Wars movie is topping the charts.
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A map of seas or oceans.
chart
Verb
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If you chart something, you record it in a chart.
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If something charts, it is on a list of most popular things.
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If you "chart a course" you find out how to get somewhere.