First, add up the numbers in the hundred digits and 9+2= 1 1.

Then add: the decimal places of two numbers, 6+0=6.

Finally: two-digit numbers add up, 0+0=0.

Namely: 960+200= 1 160.

(Oral calculation method of adding and subtracting hundreds: the number on hundreds is added and subtracted, the number on tens is unchanged, and the unit is added 1 zero. )

Oral calculation of hundreds and dozens of integer carry addition.

When you add and subtract integer hundreds and tens with your mouth, first convert the formula into addition and subtraction within 100, and finally add 0 (you can add and subtract integer hundreds and tens with integer hundreds, and then add integer tens).