1. What is the square root of 400?

2. How many million is 500 times 40 thousand?

3. What is the sum of 13, 29, and 57?

4. What is the perimeter of a regular pentagon with side length 12?

5. What is 36 percent of 1000?

6. What is 9 times 31?

7. A square with area 9 is combined with 3 others just like it to form a larger square. What is the perimeter of the larger square?

8. What is the sum of seven-tenths and four-fifths?

9. What is one-sixth of 144?

10. What is the number of degrees in one angle of a square minus the number of degrees in one angle of an equilateral triangle?

11. What is the radius of a circle with the circumference of 36 pi?

12. What is the product of the first 4 prime numbers?

13. What is the sum of negative 17, negative 18, negative 3, and positive 20?

14. What is the product of 18 and 45?

15. A die is tossed, and two coins are flipped. What is the probability of getting 2 tails and a four?

16. Six diameters of a circle cut it into 12 equal sectors. The central angle of each sector is how many degrees?

17. How many cubic inches is the volume of a cube with edge length 4 inches?

18. What is 50% of one-fifth of 80?

19. A pyramid with a square base is placed on top of a cube with a congruent square face. How many edges does the resulting figure have?

20. Express the sum of one-fourth and one-fifth as a percent?