= First write the numbers one on top of the other Make sure the tens and units line up ____

= First add up the units = 8 Put 8 in the units column

= Then add up the tens = 60 Put 6 tens in the tens column The answer is 68

= First write the numbers one on top of the other Make sure the tens and units line up ____

= First add up the units = 13 Put 3 in the units column and carry the 1 ten under the line in the tens column

= Then add up the tens = 110 Add on the ten that was carried under the line, = 120 Put 2 in the tens column and 1 in the hundreds column htu The answer is 123

I hope you understand how to do vertical addition now Thank you for looking at my presentation