Positive and negative numbers

1

Which of these is the positive number?

2

{-36} is greater than {-35}.

3

Calculate {9}-{10}+{3}.

4

Calculate {-6}+{9}-{5}+{4}.

5

Calculate {15}+{-9}.

6

Calculate {6}-{-10}.

7

Calculate {-8}\times{-3}.

8

Calculate {-6}\times{9}.

9

Calculate {-25}\div{-5}.

10

Calculate {40}\div{-8}.