2 out of 3
How many tables of each type does Mark need at his birthday party?
2 out of 3
By drawing 5 horizontal and four vertical lines, one can form 12 rectangles. What is the greatest number of rectangles that can be formed by drawing 15 lines?
1 out of 3
Play this game and see if you can figure out the computer's chosen number.
2 out of 3
Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
3 out of 3
Imagine a 3 by 3 by 3 cube. If you and a friend drill holes in some of the small cubes in the ways described, how many will have holes drilled through them?
1 out of 3
1 out of 3
1 out of 3
3 out of 3
Use the numbers in the box below to make the base of a top-heavy pyramid whose top number is 200.
