Sixteen equals ten plus six.

Sixteen MINUS nine

You can also write 10-9 and add 6.

It is known that 10-9 is equal to 1.

1+6 is also very simple, which is 7.

Method 2:

or vice versa, Dallas to the auditorium

What's sixteen MINUS nine?

We think in reverse: what is 9 plus 16?

9+ 1= 10 10+6= 16

Method 3:

Sixteen sweets, nine children, one for each child, how many grams are left? Give it to whoever guesses correctly.