Index Cards
What are the sizes of Index Cards in fractional form?
Our teacher wants us to bring a 1/4 Index Card, and we got a load of index cards in our house. I can't determine which is the 1/4 size. I also asked the others just in case.
Here are the sizes we have at home: 3"x5", 4"x6", and 5"x8".
3" x 5" is standard for an index card.
Quarter cards would be 1.5" x 2.5"
from http://en.wikipedia.org/wiki/Index_card
"An index card is heavy paper stock cut to a standard size. The most common size in the United States and Russia is 3 in by 5 in (76 by 127 mm), hence the common name 3-by-5 card."
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