1 / 11

Welcome to math! Thursday, April 12

Welcome to math! Thursday, April 12. Objective of Investigation 2.3 Use geometric understanding of square roots to find lengths of the line segments on a dot grid. Area vs. Length of a s . What is the exact side length of the square? = √12 units

stacey
Download Presentation

Welcome to math! Thursday, April 12

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Welcome to math!Thursday, April 12 Objective of Investigation 2.3 Use geometric understanding of square roots to find lengths of the line segments on a dot grid.

  2. Area vs. Lengthof a s • What is the exact side length of the square? = √12 units • What is the approximate side length of the square? ≈ 3.464101615 units 12 units2

  3. Area vs. Lengthof a s • What is the exact side length of the square? = √19 units • What is the approximate side length of the square? ≈ 4.358898935 units 19 units2

  4. Area vs. Lengthof a s • What is the exact side length of the square? = √50 units • What is the approximate side length of the square? ≈ 7.071067811 units 50 units2

  5. Area vs. Lengthof a s • What is the exact side length of the square? = 8 units • Why is there no approximate side length of this square? Because 8 ∙ 8 = 64 64 is considered a perfect square 64 units2

  6. Can you think of any otherperfect squares? 49 1 4 25 16 36 9

  7. Area vs. Lengthof a s • What is the area of this square? = 5.29 units2 • Why does area’s unit measure squared? Because you are multiplying 2 dimensions, length x height 2.3 units ? units2

  8. Practice Do page 25 35 - 38

  9. Longest Day • Venus rotates so slowly its day length is longer than its year. At 243 days it is equivalent to almost eight Earth months.

  10. Longest animal in the world • The longest animal is the bootlace worm, Lineuslongissimus; it reaches lengths of 60 metres (that’s just under 200 feet).

  11. Longest place name in the world • Llanfairpwllgwyngyll-gogerychwyrndrobwll-llantysiliogogogoch is a large village and community on the island of Anglesey in Wales.

More Related