Look up three Rs in Wiktionary, the free dictionary.
3R or three Rs may refer to:
The three Rs, a widely used abbreviation for the basic elements of a primary school curriculum: reading, 'riting (writing), and 'rithmetic (arithmetic)
The three Rs, an abbreviation for consumer remedies under Australian Consumer Law when consumer guarantees of goods are not satisfied: refund, replace, and repair
The three Rs (animal research), principles for ethical use of animals in testing: replacement, reduction, refinement
3R (print size), a standard consumer print size for photographs
The 3Rs of Junior Forest Wardens (a Canadian outdoor-education program for families): Responsibility to yourself, Responsibility to others, Responsibility to your community and the planet