1. Standard 4 in Grades 3-5 Eddie Keel Haywood High School keelmath@bellsouth.net

2. Objectives Examine all SPIs in the Geometry standard for grades 3-5 Complete one classroom activity for each grade Examine key web sites Examine other resources

3. Grade 3: Standard 4 SPI 0306.4.1 Recognize polygons and be able to identify examples based on geometric definitions. SPI 0306.4.2 Determine if two figures are congruent based on size and shape. SPI 0306.4.3 Identify the line of symmetry in a two-dimensional design or shape. SPI 0306.4.4 Calculate the perimeter of shapes made from polygons.

4. Grade 3: Standard 4 SPI 0306.4.5 Choose reasonable units of measure, estimate common measurements using benchmarks, and use appropriate tools to make measurements. SPI 0306.4.6 Measure length to the nearest centimeter or half inch. SPI 0306.4.7 Solve problems requiring the addition and subtraction of lengths.

5. Symmetry Activities http://www.haelmedia.com/OnlineActivities_txh/ mc_txh3_001.htmlhttp://www.haelmedia.com/OnlineActivities_txh/ mc_txh3_001.html http://www.greatmathsgames.com/Symmetry/ Manipulative: MIRA Manipulative: Pattern Blocks

6. Grade 4: Standard 4 (Geometry) SPI 0406.4.1 Classify lines and line segments as parallel, perpendicular, or intersecting. SPI 0406.4.2 Graph and interpret points with whole number or letter coordinates on grids or in the first quadrant of the coordinate plane. SPI 0406.4.3 Construct geometric figures with vertices at points on a coordinate grid. SPI 0406.4.4 Identify acute, obtuse, and right angles in 2-dimensional shapes. SPI 0406.4.5 Identify attributes of simple and compound figures composed of 2- and 3- dimensional shapes.

7. Grade 4: Standard 4 SPI 0406.4.6 Determine situations in which a highly accurate measurement is important. SPI 0406.4.7 Determine appropriate size of unit of measurement in problem situations involving length, capacity or weight. SPI 0406.4.8 Convert measurements within a single system that are common in daily life (e.g., hours and minutes, inches and feet, centimeters and meters, quarts and gallons, liters and milliliters).

8. Grade 4: Standard 4 SPI 0406.4.9 Solve problems involving area and/or perimeter of rectangular figures. SPI 0406.4.10 Identify images resulting from reflections, translations, or rotations.

9. Geoboards National Library of Virtual ManipulativesNational Library of Virtual Manipulatives  http://nlvm.usu.edu/en/nav/frames_asid_172_g_ 2_t_3.html?open=activities&from=category_g_2_ t_3.html http://nlvm.usu.edu/en/nav/frames_asid_172_g_ 2_t_3.html?open=activities&from=category_g_2_ t_3.html Geoboard Activities  http://mathforum.org/trscavo/geoboards/geobd3. html http://mathforum.org/trscavo/geoboards/geobd3. html  Mystery Shape http://education.csm.edu/students/agubbrud/lesso n%20plans/geoboard_mystery_shapes.htmhttp://education.csm.edu/students/agubbrud/lesso n%20plans/geoboard_mystery_shapes.htm

10. Grade 5: Standard 4 State Performance Indicators: SPI 0506.4.1 Solve contextual problems that require calculating the area of triangles and parallelograms. SPI 0506.4.2 Decompose irregular shapes to find perimeter and area. SPI 0506.4.3 Identify a three-dimensional object from two-dimensional representations of that object and vice versa.

11. Grade 5: Standard 4 SPI 0506.4.4 Solve problems involving surface area and volume of rectangular prisms and polyhedral solids. SPI 0506.4.5 Find the length of vertical or horizontal line segments in the first quadrant of the coordinate system, including problems that require the use of fractions and decimals. SPI 0506.4.6 Record measurements in context to reasonable degree of accuracy using decimals and/or fractions.

12. Decompose Graph Paper Activity  Find the area of the figure by counting the unit squares.  Decompose the polygon by creating 2 or more rectangles. Find the area of these new rectangles. Find the sum of the areas. http://shodor.org/interactivate/activities/Perimet erExplorer/http://shodor.org/interactivate/activities/Perimet erExplorer/ NCTM Illuminations Activity: http://illuminations.nctm.org/LessonDetail.aspx? ID=L583 http://illuminations.nctm.org/LessonDetail.aspx? ID=L583

13. Nets Video Nets  http://www.cs.mcgill.ca/~sqrt/unfold/unfolding.ht ml http://www.cs.mcgill.ca/~sqrt/unfold/unfolding.ht ml Illuminations: Nets  http://illuminations.nctm.org/activitydetail.aspx?I D=84 http://illuminations.nctm.org/activitydetail.aspx?I D=84 Polydrons  http://www.shawnee.edu/acad/ms/ENABLdocs/S ummer08pdfs/Polydrons%20Lesson%20Plan.pdf http://www.shawnee.edu/acad/ms/ENABLdocs/S ummer08pdfs/Polydrons%20Lesson%20Plan.pdf  http://shop.polydron.co.uk/images/manuals/polyd ronbooklet.pdf http://shop.polydron.co.uk/images/manuals/polyd ronbooklet.pdf

14. Other Resources http://www.stemresources.com/ http://www.pbs.org/teachers/stem/ http://www.tnelc.org/ http://school.discoveryeducation.com/schrockgu ide/math.htmlhttp://school.discoveryeducation.com/schrockgu ide/math.html http://ies.ed.gov/ncee/wwc/publications/practice guides/http://ies.ed.gov/ncee/wwc/publications/practice guides/