Pronunciation: /dɪˈkris/ Explain

Arrow up for increase, arrow down for decrease.
Figure 1: Decrease and increase.

When a quantity decreases, it goes down.[1] If there were 200 birds on a lake 1 year ago and 185 birds are on the lake this year, the number of birds on the lake has decreased by 15.


  1. decrease. Encyclopedia Britannica. Merriam-Webster. Last Accessed 8/6/2018.

Cite this article as:

McAdams, David E. Decrease. 7/3/2018. All Math Words Encyclopedia. Life is a Story Problem LLC.

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Revision History

7/3/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
1/26/2009: Added image. (McAdams, David E.)
12/4/2008: Added 'More Information'. (McAdams, David E.)
3/5/2008: Initial version. (McAdams, David E.)

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