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Intro to Square Roots

math 8<br>middle school math lesson<br>pre algebra

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Intro to Square Roots

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  1. MONDAY February 28th

  2. Name- __________________________________ Date- ________ Rational Numbers Warm-Up 3. Order the number from least to greatest. • Order the number from the greatest to the least. 2. Order the number from the greatest to the least. 4. Write the following decimals as a fraction in simplest form. 0.4 ______ 0. 48 ______

  3. 4. Write the following decimals as a fraction in simplest form. 0.4 = 4/9 0. 48 = 48/100 = 12/25

  4. Square Roots

  5. Square Roots What is the area of this square? How did you know that? What is the length? What is the width?

  6. Square Roots What is the area of this square? 16 square units How did you know that? What is the length? What is the width?

  7. Square Roots What is the area of this square? 16 square units How did you know that? There are 16 squares. What is the length? What is the width?

  8. Square Roots What is the area of this square? 16 square units How did you know that? There are 16 squares. What is the length? 4 units What is the width?

  9. Square Roots What is the area of this square? 16 square units How did you know that? There are 16 squares. What is the length? 4 units What is the width? 4 units

  10. Square Roots What is the area of this square? How did you know that? What is the length? What is the width?

  11. Square Roots What is the area of this square? 25 square units How did you know that? What is the length? What is the width?

  12. Square Roots What is the area of this square? 25 square units How did you know that? There are 25 squares. What is the length? What is the width?

  13. Square Roots What is the area of this square? 25 square units How did you know that? There are 25 squares. What is the length? 5 units What is the width?

  14. Square Roots What is the area of this square? 25 square units How did you know that? There are 25 squares. What is the length? 5 units What is the width? 5 units

  15. Square Roots

  16. Square Roots

  17. Square Roots

  18. Square Roots 25

  19. Square Roots 25 64

  20. Square Roots 25 64 100

  21. Square Roots 25 64 100 36 100-64=36

  22. Square Roots 25 64 100 36 100-64=36 39 64-25=39

  23. Sign into Brainingcamp from Classlink I can find square roots of rational numbers.

  24. We are going to recreate the artwork of Josef Albers using the tiles. However, our artwork will use different colors than his did.

  25. We are going to recreate the artwork of Josef Albers using the tiles. However, our artwork will use different colors than his did. First, create a square using 36 yellow tiles.

  26. We are going to recreate the artwork of Josef Albers using the tiles. However, our artwork will use different colors than his did. Next, create a square using 16 blue tiles. Place the blue tiles on top of the yellow tiles.

  27. We are going to recreate the artwork of Josef Albers using the tiles. However, our artwork will use different colors than his did. Last, create a square using 4 red tiles. Place the red tiles on top of the blue tiles.

  28. Area of Red square Now, let’s fill in our C.R.A. mat. Area of Blue square Area of Yellow square

  29. Area of Red square Area of Blue square Area of Yellow square

  30. Area of Red square Start with your yellow squares. Color 25 boxes. Area of Blue square Area of Yellow square

  31. Area of Red square Draw lines to divide the Abstract box into three sections. Area of Blue square Area of Yellow square

  32. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  33. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  34. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  35. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  36. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  37. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  38. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  39. Area (yellow total tiles) = 36 in2 A = 36 side × side = 36 6 × 6 = 36 62 = 36 6 = √36 6 is the square root of the perfect square number 36. Area of Red square Area of Blue square Area of Yellow square

  40. Area of Red square Next, color the blue squares. There were 16 blue squares. Area of Blue square Area of Yellow square

  41. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  42. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  43. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  44. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  45. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  46. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  47. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square Here’s the Math!!!!

  48. Area (blue total tiles) = 16 in2 A = 16 side × side = 16 4 × 4 = 16 42 = 16 4 = √16 4 is the square root of the perfect square number 16. Area of Red square Area of Blue square Area of Yellow square

  49. Area of Red square Last, color the red squares. There were 4 red squares. Area of Blue square Area of Yellow square

  50. Square Roots and Cube Roots Area (red total tiles) = 4 in2 A = 4 side × side = 4 2 × 2 = 4 22 = 4 2 = √4 2 is the square root of the perfect square number 4. I can find square roots and cube roots of rational numbers. Here’s the Math!!!!

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