Write just the next number that comes in the number series.

$41, 42, 43, 44,$

Fill in the blanks.

$43, \underline{ } , \underline{ } , 46, \underline{ }$

Fill in the missing numbers.

Fill in the missing numbers.

The number that comes before $42$ is _____.

Fill in the missing numbers.

What comes after:

$38 \square$

Write the missing numbers.

Fill in the missing numbers.

What comes before:

$\square 41$

Fill in the missing numbers.

Fill in the number that comes in between.

$28$ _____ $30$

The number that comes in between $36$ and $38$ is _____.

Fill in the missing numbers.

Count and write the number.

$2$ tens and $0$ ones $=$

What comes after:

$21 \square$

What comes before:

$\square 32$

Fill in the missing numbers.

Fill in the missing numbers.

The number that comes in between $21$ and $23$ is _____.