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The three Rs [1] are three basic skills taught in schools: reading, writing and arithmetic", Reading, wRiting, and ARithmetic [2] or Reckoning. The phrase appears to have been coined at the beginning of the 19th century.
A common school was a public school in the United States during the 19th century. Horace Mann (1796–1859) was a strong advocate for public education and the common school. In 1837, the state of Massachusetts appointed Mann as the first secretary of the State Board of Education [1] where he began a revival of common school education, the effects of which extended throughout America during the ...
The Three Rs (3Rs) are guiding principles for more ethical use of animals in product testing and scientific research. They were first described by W. M. S. Russell and R. L. Burch in 1959. [ 1 ] The 3Rs are:
When assessing children's readiness for kindergarten, much of the discussion is focused on the emergence of basic academic skills, including reading, writing, and arithmetic, which are commonly referred to as the “three Rs” (United States Department of Education, 2001). This is likely because upon entering kindergarten, academic skills ...
William Moy Stratton Russell (26 March 1925 – 2006), also known as Bill Russell, was a British zoologist and animal welfare worker. [1] He was best known for writing, along with R. L. Burch (1926-1996) The Principles of Humane Experimental Technique (1959), [2] a landmark in the humane use of animals in research, education and testing.
3R or three Rs may refer to: The three Rs, the basic elements of a primary school curriculum: reading, 'riting (writing), and 'rithmetic (arithmetic) The three Rs, the waste management hierarchy: reduce, reuse, and recycle; The three Rs, consumer remedies under Australian Consumer Law when consumer guarantees of goods are not satisfied: refund ...
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The National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs, pronounced as "N C 3 Rs") is a British organization with the goal of reducing the number of animals used in scientific research.