Using this They're Equal Equivalent Fractions Activity, students explain equivalence of fractions and compare fractions by reasoning about their size.

Using this Design Your Own Theme Park Unit Square Activity, students measure areas by counting unit squares.

Using this Drawing Shapes According to the Rules Worksheet, students draw the shapes that match the attributes of each shape.

This Constructing 2-D and 3-D Shapes Worksheet teaches students how use straws and twist ties to create 2-D and 3D shapes with faces, angles, and sides.

Using Perimeter Grids Worksheet, students find the perimeter of two-dimensional shapes by counting squares on a grid.

This Where Can I See Other Polygons? Reading Comprehension Worksheet will help your students build their reading comprehension skills while learning about polygons.

In this 4.MD.5 Common Core Activity, students recognize angles as obtuse, acute or right by playing this game of War with a partner!

Using Geometric Shapes Crossword Puzzle, students use the shape clues to fill in the crossword puzzle with the geometric shape that match.

Using Perimeter Worksheet, students find the perimeter of two-dimensional shapes by counting squares on a grid.

Using this Area in Square Units Worksheet, students find the area of rectangles on a grid by counting squares in the real world situation.

Using this Make it Equal Partitioning Shapes Activity, students cut shapes into small parts and then describe them as halves, fourths, or quarters.

Using this Find the Area Inside Worksheet, students find the area of rectangles on a grid by counting squares inside the provided shape.

In this 4.G.1 Fourth Grade Common Core Lesson, students identify points, lines, line segments, rays, angles, perpendicular and parallel lines.

In this 4.G.2 Fourth Grade Common Core Lesson, students classify shapes based on presence or absence of specific lines and angles.

This Where Can I See Flat Solids? Reading Comprehension Worksheet will help your students build their reading comprehension skills while learning about flat solids.

In this Seaside Symmetry Activity, students recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts.

Using this Battle Shape Battleship Activity, students classify two-dimensional figures by their properties by playing a game of Battle Shape (a geometrical rendition of Battleship).

Using this Baking with Geometry Activity, students match picture cards to the appropriate geometry term, identifying points, lines, line segments, rays, and angles.

Using this Area and Perimeter Pirate Activity, students apply the area and perimeter formulas for rectangles to match each pirate with his ship.

Using Finding the Perimeter Activity, students find the perimeter of a polygon when there is an unknown side length.