Diona Ortiz's List: Algebra 3-5

Algebra (Grades 3 - 5)
Virtual manipulatives related to the NCTM Algebra standard for grades 3 - 5.
Algebra Tiles – Visualize multiplying and factoring algebraic expressions using tiles.
Base Blocks – Illustrate addition and subtraction in a variety of bases.
Color Patterns – Arrange colors to complete a pattern.
Fifteen Puzzle – Solve this virtual version of the classical fifteen puzzle by arranging its tiles.
Grapher – A tool for graphing and exploring functions.
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.
Space Blocks – Create and discover patterns using three dimensional blocks.
Towers of Hanoi – Solve the tower problem and test your theory by varying the number of disks.
Triominoes – Manipulate the puzzle pieces and find multiple solutions.
Turtle Rectangles – Change variables to observe differences in spiral designs.