How to Add and Subtract One-Digit Numbers
Let's say I wanted to add
. When you add one to any number, you get the next number. So here is the counting:
,
,
,
,
, and our answer is next,
. So,
Another way to do this would be to count on my fingers. I have fingers on each hand. I hold out one hand, and put
finger up on the other. Then, I count all the fingers, giving me:
.
To solve
, hold up
fingers. Then, close 3, giving you