- Breanna makes popcorn balls to give out to Trick-or-Treaters. Breanna gives out one-fifth of his popcorn balls to the first group, and two popcorn balls to the second. When the next group comes along, they take two-thirds of the remaining popcorn balls. Breanna then quickly eats the last two popcorn balls and goes to bed early. How many popcorn balls did Breanna make?
- The Great Sierpinski poses Ulysses a riddle. Two indentical containers contain a total of $15 in half dollars. If Ulysses can guess how many coins are in each container, he gets to keep the money. Sierpinski offers two clues; The difference between the amounts in each container is $4, and the left container is heavier than the right container. Can you tell Ulysses how much money is in each container?
- If you place three pennies, four nickels, two dimes, six quarters, five half-dollars, and one silver dollar into a bag, what is the probability of drawing a penny the first time you draw a coin from the bag? What is the probability of drawing a silver coin? A coin worth at least 15¢? A coin with rough edges? A coin with a picture of a president on it?
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Math... First Hand: Activities for Middle School Math Students
Ten learning activities for middle school students
Developed and classroom tested by teachers
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