Math 2A: How can we practice multiplying & adding integers?

Math 2A:  

Multiply and add integers without the use of a calculator--this will help you when we start factoring! Let's use these skills to solve diamond puzzles. Can you think of two numbers that have the product of the top number and the sum of the bottom number? 

Example:

1. Assignment: Worksheet a - f.
   
2. Test corrections.