1. Warm - Up Name that property: 1.1 + 0 = 1 2.11 + 25 = 25 + 11 3. Use Distributive Property to find each product: 4. 8(26) 5. 5(31) 6. (22)2

2. Homework Answers 1.)Associative Property 2.)Identity Property 3.)Commutative Property 4.)Identity Property 5.)Associative Property 6.)Commutative Property 31.) 135 32.) 70 33.) 178 34.) 420 35.) 92 36.) 80

3. Using Distributive Property when multiplying two numbers Method 1 (Addition): 7(29) Method 2 (Subtraction): 7(29)

4. Chapter 1-5 Evaluating Algebraic Expressions

5. What year were you born? Now use the letter a to represent your age. So when you turn a years old, the year will be (write your birth year) + a Variable: A letter that represents a number that can vary Constant: A number that doesn’t change Algebraic Expression: An expression that contains at least one variable

6. AgeBirth Year + ageYear at age a (birth year) + a

7. To evaluate an algebraic expression, substitute a number for the variable. Example 1: The expression.25n helps find the total value of coins in dollars, where n represents the number of quarters. Quarters (n)Expression (.25n)Total (value)

8. 5y - 1 for y = 3for q = 4for p = 2 and t = 1 Evaluate each expression for the given values of the variables