55 is 5 tens plus 5 ones. Which is another way to make 55?
4 tens plus 5 ones
4 tens plus 15 ones
5 tens plus 15 ones
3 tens plus 15 ones
ref_doc_title.
Jumping to level 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
Now entering the Challenge Zone—are you ready?