Mathematical Week

2. Initial name of zero?
6. the inverse of multiplication, in which the next product is found from the product and the product.
9. twelve minus eight
13. the boundary (wall) of a flat figure or the length of a circle, polygon or other closed contour
14. the number that when multiplied by itself (squared) gives x. The square root is denoted by the root sign (√)
16. theorem which states that the sum of the squares of the verticals of a right triangle is equal to the square of the hypotenuse.
17. An image that can see in three dimensions
18. the part of mathematics that studies spatial relationships.
19. one of the basic operations of arithmetic. In the simplest case, composition turns two numbers (points) into one - a sum

1. eleven plus five
3. What kind of people invented mathematics?
4. what month is pi day?
5. dividing eight by eight
7. what is ten plus three?
8. mathematician, physicist, inventor - engineer and astronomer.
9. a mathematical expression of a number that can represent one or more equal parts of a unit (or whole).
10. three plus two
11. five times two
12. what unit is a hundredth of meter?
15. is a science that studies numbers, quantitative relationships, spatial forms