Answer :
Start with breaking apart 9:
5+4
Multiply 5 by the first addend (5)
Then multiply 5 by the second addend (4)
Then add you should have 25 and 20
You then add those 2 to get an answer of 45
Answer^
5+4
Multiply 5 by the first addend (5)
Then multiply 5 by the second addend (4)
Then add you should have 25 and 20
You then add those 2 to get an answer of 45
Answer^