Algebra

**LEVEL 1​** [|Monster choir: making patterns] [|Monster choir: missing monsters] [|Monster choir: look and listen]
 * [|Monster Choir] ** allows users to create, extend and complete patterns.
 * LEVEL 2 **

[|Attribute trains] [|Tower of Hanoi] ** LEVEL 3 ** [|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]
 * NLVM: Algebra manipulatives**
 * [[image:BridgeBuilder.jpg]]

[|****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]

[|Hopper: whole numbers] [|Hopper: tenths] [|Hopper: hundredths] [|Hopper: ultimate] [|Hopper challenge: whole numbers] [|Hopper challenge: tenths] [|Hopper challenge: ultimate]
 * [|Hopper] ** requires users to find the finishing point when counting on from a given starting point in various increments.

​**LEVEL 4** [|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]
 * [|Filling Glasses] ** presents graphs representing liquid filling glasses of different shapes.

[|Exploring algebra]
 * Learn Alberta: Exploring Algebra series**.

[|Algebra balance scales] [|Algebra balance scales: negatives] [|Coin problem]
 * NLVM: Algebra manipulatives**

**LEVEL 5**

​ [|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] [|Triathlon: distance-time graphs] [|Triathlon: triathlete] [|Triathlon: elite triathletes] [|Triathlon: the course]
 * [|Mobile Phone Plans] ** provides a context for the use of line graphs.
 * [|Triathlon] ** helps users explore features of a distance-time graph.

[|Algebra balance scales: negatives] [|Grapher]
 * NLVM: Algebra manipulatives**