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spare parts 21
Here are comics and random math topics for discussion --. Includes questions (and answers), puzzles, and links to other sources.
3/2/17
"Three 5's"
Using three 5's and any math operations or symbols, can you arrange them to make 121?
2/10/17
"Negative Rational Exponents Inequality"
Find more exponents questions in the algebra 2 section
1/22/17
"Polynomial Concept Question: Identifying Graphs"
Find the y-intercept of the function.
(Note: The sketch may not be drawn to scale.)
1/7/17
"Dice Game"
A game has 2 special dice.
One of the dice, A, has six sides: four 8's and two 1's. The other, B, has six sides: four 3's and two 9's.
Each person rolls their die. The higher one wins $20.
Which of the two dice should you choose: A or B?
What would be your expected winnings?
12/16/16
"Splitting Money"
Your uncle has a bunch of money in his pocket.
He gives 1/2 of the money in his pocket to your sister.
Then, he gives 1/4 of what's left in his pocket to your brother.
Then, he gives 1/3 of what's left in his pocket to your friend.
Finally, he gives 1/2 of what's left in his pocket to you.
If your uncle has $3 left, how much was in his pocket in the beginning?
11/17/16
"Hammer and Nail"
A hammer and nail cost $1.10, and the hammer costs a dollar more than the nail.
How much does the nail cost?
11/4/16
"Parabola - Line Region Questions"
a) where is the vertical distance inside the shaded region largest?
b) what is the length of the longest vertical segment that can be drawn inside the (shaded) region?
