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.
Problem of the Month
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 = $29The 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
For Mother’s Day, Joey decided to get her mom a dozen roses that were either red or white. However, red roses and white roses are different prices. If she orders twice as many white roses as red ones, the total cost would be $32. If she orders three times as many red roses as white ones, the total cost would be $42. If she wants an equal amount of red roses and white roses, how much would the roses cost?
On Easter, Sarah and her friends were trying to split their Easter eggs into even piles. If they split their eggs into 3 equal piles, they would have 2 eggs left over. If they tried to split it into five piles, they would have 4 eggs left over. If they split their eggs into seven piles, they would have three eggs left over. If they have less than 100 eggs, how many eggs do they have?