Home > Browse Resources > Pre-K–2: Algebra

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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.