Question

in basic Edition the problem and answer for 3 + 7 equals 10 what is the label is it partner to 10 or is it plus one fact or plus 2 fact . Example 9=7+2 what is the label +1 fact or +2fact

Answer 1

Since 2! = 2, the procedure of adding 1 to both sides of the equation:

`9=7+2`

May be labelled as "Add 1! to both sides of the equation" or just Add 1 to both sides of the equation".

`9+1=7+2+1`
`10=7+3`