Let's get distributing! According to the distributive property of multiplication, you can multiply by a sum by first multiplying each addend and then adding the products. For example: 4(5 + 1) = 4(5) + 4(1). Especially useful in algebra, this is a key math concept for kids to understand. This worksheet helps kids wrap their heads around this tricky concept by challenging them to fill in the blanks in the equations according to the distributive property.