Welcome to the All Girls Math Tournament Website!

The annual All Girls Math Tournament is a math competition for girls in grades 3 to 8.  Our tournament combines competition-style math problems with collaborative team activities. Each tournament features a presentation from a keynote speaker about the role of mathematics in her career.

 

COME TO THE MATH FOR SERVICE OPEN HOUSE!

The Math for Service Open House will be held on May 20, 2018 at Sage Hill School. For more information, click HERE.

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Problem of the Month

  • Since Valentine’s Day was coming up, if I give the same amount of valentines to 8 people, I will have 5 left over. If If I give the same amount of valentines to 10 people, I will have 7 left over. If I have more than 50 valentines, but less than 100, how many valentines do I have? (Please leave answers in terms of pi)

    Remember to send all answers to allgirlsmathtournament@gmail.com.

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  • In the beautiful ski resort of Snowy Pines, there was lots of snowfall this week. On Monday, the depth of the snow increased by 5 inches. On Tuesday, the depth of the snow was twice the depth of Monday. On Wednesday, the depth of the snow increased by another 8 inches. On Thursday, it was a nice sunny day, so 1/3 of the snow melted. If the snow is 2 ft deep by the end of Thursday, how deep was the snow on Sunday?

    Remember to send all answers to allgirlsmathtournament@gmail.com.

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  • money

    Three girls rent a hotel room for the night. When they get to the hotel they pay the $30 fee, then go up to their room. Soon the bellhop brings up their bags and gives the girls back $5 because the hotel was having a special discount that weekend. So the three girls decide to each keep one of the $5 dollars and to give the bellhop a $2 tip. However, when they sat down to tally up their expenses for the weekend the could not explain the following details:
    Each one of them had originally paid $10 (towards the initial $30), then each got back $1 which meant that they each paid $9. Then they gave the bellhop a $2 tip. HOWEVER, 3 * $9 + $2 = $29
    The girls couldn’t figure out what happened to the other dollar. After all, the three paid out $30 but could only account for $29.
    Can you determine what happened?
    Remember to send all answers to 

    allgirlsmathtournament@gmail.com.

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