1. SQUARE ROOTS

2. WARM UP 1.Simplify the expression: 8b + 12(b + 2) 2.Write and solve the equation: twenty-one subtracted from a number is – 8. Find the number. 3.Write an equation for the function: x12345 y510152025

3. While listening to the song, HIP TO BE SQUARE, brainstorm in your groups everything you know about squares. http://www.youtube.com/watch?v=LB5YkmjalDg&feature=kp 1. 2. 3. 4. 5.

4. Each group will now receive a piece of squared paper. In your groups, make the smallest square possible. What do you notice? What are the dimensions? What is the area? Now, make the next smallest square possible. What do you notice? What are the dimensions? What is the area? Continue to do this and record what you notice.

5. What does it mean to square a number? What does it mean for a number to be a perfect square? Can just any number be considered a square number? Why/why not? https://www.youtube.com/watch?v=Ymcf14wC9Ck https://learnzillion.com/lessons/182-identify-perfect-squares- and-find-square-roots

8. THINK – PAIR - SHARE

9. Try these in your groups.

11. We can also use our knowledge of square roots and perfect squares to solve word problems. You want to carpet a square room that has an area of 144 square feet. What is the length of one side of the room?

12. You have a blanket that has an area of 1600 square inches. What is the length of one side of the blanket?

13. Jenny’s square bedroom has an area of 90 square feet. The length of one side is between which two whole numbers. Find the length of one side.

14. Complete the worksheet. Show all your work. This is the first worksheet that you will add to your portfolio.

15. Complete the square root worksheet for homework.