Which number word is 13?

Which number word comes between thirteen and fifteen?

To get your permit you need to be 15, which number word is 15?

Some girls have a party for their sweet 16th birthday, which word is 16?

When you turn 17, you should be entering the twelfth grade, which word is 17?

When you turn 18 you can vote, which number word is 18?

Ms. G got married when she was 19, which number word is 19?

20 is an even number, which number word is 20?

Some kindergarteners think 30 is old, which number word is 30?

How do you spell 40?

When Ms. G. turned 50 she had 50 flamingos on her cake, how do you spell 50?

the 100's column comes right after the tens column, how do you spell 100s?

Who wouldn't want to be a millionaire, which word is 1,000,000?

I need to spell 1,000s, which way is it spelled?