To multiply 5 by 3, you can find the product of 2 and 5 and the product of 1 and 5 and ________them.

Answer 1

add

Answer 2

Jess is right, it's add. 5 * 3 = 15. 5 * 2 = 10 and 5 * 1 = 5, 10 + 5 = 15.