LOVE the simplicity and innocence of this.Pause this first and figure out the answers.
It's not that hard. After all, what grade level is simple addition?
Same reasoning here.LOVE the simplicity and innocence of this.
The way my son learned math while still in public school combined with the way he thinks/reasons it would look something like:
10+10=20
9+1+10=20
5+5+10=20
5+5+5+5=20