Algebra (Grades Pre-K - 2)

Virtual manipulatives for Algebra, grades Pre-K - 2.

	Algebra Tiles – Visualize multiplying and factoring algebraic expressions using tiles.
	Color Patterns – Arrange colors to complete a pattern.
	Fifteen Puzzle – Solve this virtual version of the classical fifteen puzzle by arranging its tiles.
	Pattern Blocks – Use six common geometric shapes to build patterns and solve problems.
	Pentominoes – Use the 12 pentomino combinations to solve problems.
	Polyominoes – Build and compare characteristics of biominoes, triominoes, quadrominoes, etc.
	Triominoes – Manipulate the puzzle pieces and find multiple solutions.
	Turtle Rectangles – Change variables to observe differences in spiral designs.