Mathematics education in the United States varies considerably from one state to the next, and even within a single state. With the adoption of the Common Core Standards in most states and the Distric
A student solves some math problems with a graphing calculator (2010)
Navajo students learning arithmetic (c. 1940). By the late 1950s, mathematics education had become more rigorous.
Some textbooks for the "New Math" curriculum from the 1960s. These reforms were controversial in the United States and elsewhere.
A schoolboy in Seattle (1961). The contents of mathematical education has been a topic of debate for decades.
Logarithm
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In mathematics, the logarithm of a number is the exponent by which another fixed value, the base, must be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3, because 100
The logarithm keys (LOG for base 10 and LN for base e) on a TI-83 Plus graphing calculator
A nautilus shell displaying a logarithmic spiral