1: Vocabulary question: What is an integer?

2: How many units are between 8 and -8 on a number line?

3: Solve the following expression: 8(64^3 - 64²) =?

4: 72 divided by 18²

5: Story problem: Jerry has 4/12 pounds of a pie. Mallie eats 1/3 of it. How much pie does Jerry have now?