# Algebra

## Visual Linear Algebra

**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)

## Filling Glasses

**Filling Glasses** presents graphs representing liquid filling glasses of different shapes.

Filling glasses: find the right glass

Filling glasses: find the right graph

Filling glasses: create the right glass

Filling glasses: create the right graph

Filling glasses: graphing and comparing

## Musical Number Patterns

**Musical Number Patterns** requires users to generate counting patterns.

Musical Number Patterns: musical counter

Musical number patterns: music maker

Musical number patterns: odds and evens

Musical number patterns: musical times

Musical number patterns: the challenge

## Hopper

**Hopper** requires users to find the finishing point when counting on from a given starting point in various increments.

Hopper: whole numbers

Hopper: tenths

Hopper: hundredths

Hopper: ultimate

Hopper challenge: whole numbers

Hopper challenge: tenths

Hopper challenge: ultimate

## Circus Towers

**Circus Towers** explores number patterns linked to spatial arangements.

Circus towers: square stacks

Circus towers: triangular towers

Circus towers: triangular prisms

Circus towers: rectangular prisms

Circus towers: square pyramids

## Bridge Builder

**Bridge Builder** introduces users to simple linear number patterns.

Bridge builder: triangles 1

Bridge builder: triangles 2

Bridge builder: quadrilaterals

Bridge builder: complex structures

Bridge builder: pentagons

## Mobile Phone Plans

**Mobile Phone Plans** provides a context for the use of line graphs.

Mobile phone plans: find the best deal 1

Mobile phone plans: find the best deal 2

Mobile phone plans: find the best deal 3

Mobile phone plans: peak and off-peak

Mobile phone plans: one company

Mobile phone plans: several companies

## Monster Choir

**Monster Choir** allows users to create, extend and complete patterns.

Monster choir: missing monsters

Monster choir: look and listen

Monster choir: making patterns