1. Today’s Targets: Evaluate algebraic expressions Use exponents

2.  You are ordering a skateboard and a helmet from an on-line store. The total weight of the two items can be represented by s + h, where s is the weight of the skateboard and h is the weight of the helmet. Find the total weight if the helmet weighs 1.3 kilograms and the skateboard weighs 5.4 kilograms.

3. EEach side of a square garden measures 22 feet. You are going to buy fertilizer for the garden before you begin planting and you need to determine its area. Find the area of the garden.

4.  A letter used to represent one or more numbers  Examples: x, y, a, n

5.  Consists of numbers, variables, and operations

6. When evaluating an expression  Write down the question  Substitute the values for the variables  Do the math

8. when x = 0.2 and y = -4 a. xyb. x – y c. 3x

11. IIdentify 3 different rectangles that could be described by this situation.

12. THE BIN QUESTION SHOW YOUR WORK TO ANSWER #54 ON PAGE 7

13. A manufacturer produces three different sizes of cube-shaped stacking bins with edge lengths below. Bin A – 6 in sides; Bin B – 12 in sides; Bin C – 18 in sides a.Find the volume of each bin. b.How many times greater is the edge length of Bin B than the edge length of Bin A? How many times greater is the volume of Bin B than the volume of Bin A? c. Answer the questions in part (b) for Bin A and Bin C. Challenge: Explain how multiplying the edge length of a cube by a number n affects the volume of the cube. Justify your explanation.