Posted by **tryston** on Thursday, February 10, 2011 at 4:07pm.

every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines.How many students are in the class.

- 5tth grade math -
**Ms. Sue**, Thursday, February 10, 2011 at 4:22pm
The square root of 306 is about 17.5.

So I multiplied 17 * 17 and got 289 Valentines.

There must be 18 students in the class -- and the each sent 17 cards.

- 5tth grade math -
**alex**, Thursday, February 10, 2011 at 6:02pm
i need help on extended response

- 5tth grade math -
**Anonymous**, Thursday, February 11, 2016 at 12:49pm
18 Students is the answer you exclude the student passing out the Valentines. So 18 students received 17 valentines...

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