EASY
How to find the area of a circle?
r2pi
1x2
2
The ratio of a to b is 3 to 4. The ratio of b to c is 5 to 6. The ratio of a to c is?
5:8
5 times JEOPARDY
There were 20 socks in a drawer. Of these, 8 were blue, 10 were black, and 2 were white. Someone then removed 4 blue socks. If one sock is now drawn at random, what is the probability that it is not white?
7/8
600+600
1200
If 6x is increased by 4y, and the sum is divided by 2, the result is equivalent to...
3x+2y
18*92
1656
1x1
1
2x2
4
A water container is 3/4 full. After 20 ounces of water is removed, the container is 1/4 full. How many ounces of water does a full container hold?
40 ounces
DOUBLE JEOPARDY
00
1
Today is Saturday. What day of the week will it be 65 days from today?
Tuesday
QUADRUPLED JEOPARDY
A square has a length of 4 and is topped by a semicircle, as shown on the whiteboard. Point P is the center of the arc at the top. Then the shaded area is equal to
pi + 2
The equation 2(3x+1) = 16(x+2) is satisfied by what value of x
-3
The ratio of boys to girls at a dance was 2 to 3. If 45 girls attended, what is the number of boys who attended?
30
Let n be an integer from 9 to 38. For how many values of n will n/5 be a prime number?
a. 3 b. 4 c. 6 d. 8 e. 29
b. 4
5x6
30
The mean of 3 number is 7. The mean of 4 other numbers is 8. The mean of 5 toher number is 11. What is the mean of all 12 numbers?
9
6(70-50)-(-400)
520
In the formula V=s2h, If s is doubled and h is tripled, then V is multiplied by?
12
If the measure of angle A is 40o, then x+y=?
Hint: All exterior angles of any shape adds up to 360o
220
If x is an integer which one of the following must be odd?
a. 3x+1 b. 3x+2 c. 4x-1 d. 4x-2 e. 5x-2x
9x9?
81
DOUBLE JEOPARDY (You can ask Ms Lin for help)
Let x = 32*53*74 and y = 23*3*52. What is the greatest common factor of x and y
3*52
1+1?
2