You can use the distributive property to help you add and multiply numbers! Follow along with this tutorial to see the uses of the distributive property.
Multiplying integers is just like performing a bunch of additions of the same integer! Check out this tutorial and see how much multiplying and repeated addition have in common.
Check out this tutorial where you'll see exactly what order you need to follow when you simplify expressions. You'll also see what happens when you don't follow these rules, and you'll find out why order of operations is so important!
If you're trying to multiply the sum of two numbers, the distributive property may make things easier. Follow along with this tutorial to see how the distributive property can be used to evaluate an expression.