Operation Overdrive
384 \times 27
10,368
0.75\times 16/3
4
A rectangle has length 15 and width 8. If both dimensions are increased by 2, what is the sum of the original and new perimeter?
100
A recipe uses flour and sugar in a ratio of 2:3. If 15 cups of sugar are used, how many cups of flour are used?
10 cups of flour
What describes the space a 3-D shape take up?
Volume
48 +6\times7^2
342
5/6-0.25+1/3
11/12
A rectangle is 20 by 10. A square is cut out from one corner with side length 4. What is the perimeter of the remaining shape?
60 units
If 5 machines can produce 40 items in 2 hours, how many items can 1 machine produce in 3 hours?
12 items
What formula finds the surface area of a cube?
\text{Surface Area of a Cube}=6s^2
120\div(5\times4)+18\times3
60
A student spent 0.6 of their money on a book and then 25% of the remaining money on snacks. What fraction of the original money is left?
3/10
Each interior angle of a regular polygon is 150o. How many sides does the polygon have?
12 sides
The ratio of red to blue to green marbles is 3:4:5. If the number of blue marbles is 28, what is the total number of marbles?
84 marbles
What is the formula to find the area of a circle?
\text{Area of a Circle}=\pi r^2
36\div3(8+4^2)-10
278
(0.2)^2+0.04\times5/2
0.14
A square has area 144. A rectangle has the same perimeter as the square but one side is 10. What is the area of the rectangle?
140 units2
Worker A can complete a job in 8 hours. Worker B can complete the same job in 12 hours. They work together for 3 hours, then Worker A leaves. How many more hours does Worker B need to finish the job?
4.5 hours
What is the ratio of
\pi?
\text{circumference}/\text{diameter}
200-[4(6^2+8)-3^3]div5
170.2
A number is increased by 30% to become a “zap.”
A zap is decreased by 50% to become a “zip.”
A zip is increased by 60% to become a “zing.”
What percent of the original number is a zing?
104%
A large cube is made up of smaller 1×1×1 cubes. Each edge of the large cube has 4 small cubes. The entire outside of the large cube is painted.
How many small cubes have exactly one face painted?
24 smaller cubes
A pipe can fill a tank in 6 hours, and a drain can empty the full tank in 9 hours. The tank is initially empty. The pipe is turned on, and after 2 hours the drain is also opened. How long does it take from that point for the tank to become completely full?
12 hours
What number is often attributed to Skrilla, an American rapper from the Kensington neighborhood of Philadelphia, Pennsylvania. Skrilla produced a song called DootDoot that contains this number.
6-7