Area, perimeter and fractions!!! Students are only allowed to use whole and half squares for ease of counting later on. They construct their portrait and are then responsible for determining the fractional amounts of squares for each color.
Assessing Math Notebooks
FREE Tangram Polygon Explorations - Brand new freebie from Laura Candler - includes tangram patterns and polygon challenge activities
Tips for counting faces, edges, and vertices
Test Your 5th Grader with These Math Word Problems: Worksheet # 1 Solutions
Area/Perimeter robots - get the children to draw robots and write the area and perimeter of each section... may need to adapt for complex shapes
Place Value / Numbers
FREE. Interactive Education: Virtual Manipulatives