# Digital Learning Objects

## Level Four

**Visual Linear Algebra** presents a visual model to support students in solving linear algebra equations.

Solving linear algebra equations (variable on one side, positive values only)

Solving linear algebra equations (variable on both sides, positive values only)

Solving linear algebra equations (variable on one side, positive and negative values)

Solving linear algebra equations (variable on both sides, positive and negative values)

**Design Briefs** explores fractions and decimals in the context of proportions of areas.

Playground percentages

**The Divider** helps users solve division problems by partitioning.

The divider: with or without remainders

**Modeling Numbers **helps users to explore numbers using a variety of representations.

Modeling Numbers: decimals