3.G.1
EQ:
How do I identify triangles based on the length of their sides? (equilateral, isosceles,
or scalene)
How do I identify triangles based on size of their angles (right, acute, or obtuse).
Ipads/activboard: national library of virtual manipulativels geoboard-
http://nlvm.usu.edu/en/nav/frames_asid_172_g_2_t_3.html?open=activities&from=category_g_2_t_3.html
http://www.mathplayground.com/geoboard.html
http://www.mathlearningcenter.org/web-apps/geoboard/ (iPad app too-free)
Hook/WGI:
Daily Math Word Problems
Watch math live on triangles:
http://www.learnalberta.ca/content/me5l/html/math5.html
Introduce types of triangles
p. 450 Pearson
Take notes in brain book
Go over math centers/expectations for the week.
SGI:
Use p. 450 Pearson to make triangles with grid paper/various size sides. types of triangles -scalene, isoceles, equilateral
Computer, partner games, other
Triangle Creative Writing:
https://www.dropbox.com/s/e9s5h3ku2b2kdqg/My%20Triangle%20Monster.pdf
http://illuminations.nctm.org/LessonDetail.aspx?ID=L794
Close: Fill in reflection on math contract
IP:
Center M-math facts (students choose various ways to practice math facts)
Flash cards, multiplication fact book, ppt with facts explained, game, computer site
Center A-at your seat (spiral practice of a previous skill)
Worksheet, book work, workbook page, etc.
Center T-teacher (small group instruction)
Active board, manipulative, iPads, whiteboards
Center H-hands on (math choice board/differentiated activities)
HW:
Super teacher types of triangles sheet, IXL geometry skills
Geometry: Identify planar and solid shapes (Third grade - R.1)
Geometry: Which 2-dimensional shape is being described? (Third grade - R.2)
Geometry: Count and compare sides, edges, faces, and vertices (Third grade - R.3)
Geometry: Classify quadrilaterals (Third grade - R.22)
Geometry: Types of triangles (Fourth grade - P.2)
Geometry: Acute, right, obtuse, and straight angles (Fourth grade - P.11)
EQ: How can you classify geometric figures using their properties?
Hook: daily math word problems
WGI:
review attributes of various polygons/quadrilaterals
Go over instructions for the computer lab.
SGI:
n/a
IP:
use "Paint" program to create several polygons and list the name/sides/angles/vertices of each.
https://www.dropbox.com/s/7b29zk9o6bbxr96/ms-paint-polygons_TZFNQ.pdf
Closure:
discuss creation and turn in to teacher
HW:
create your own new polygon as long as it follows the rules of polygons.
Geometry photo project