Write an appropriate symbol. $\left(<, >\text{ or} =\right)$

$39$   $40$

Write the appropriate symbol. $\left(<, >\text{ or} =\right)$

$12$ _____ $12$

Write an appropriate symbol $\left(<, >\text{ or} =\right)$ in the blank.

$8$ tens _____ $79$

Choose the appropriate symbol and fill the blank.

$1$ ten $9$ ones _____ $2$ tens $9$ ones ($>,<,=$)

Arrange the numbers in descending order and write the greatest number.

$99, 61, 21, 36, 85$

Arrange the numbers in descending order and write the greatest number.

$29, 35, 49, 52, 90$ 

Arrange the numbers in descending order and write the greatest number.

$37, 57, 47, 27, 97$

Arrange the numbers in ascending order and write the smallest number.

$89, 43, 24, 37, 78$

Arrange the numbers in ascending order and write the smallest number.

$11, 90, 65, 57, 22$