# Level 4 Learning Objects

## Algebra

 Filling Glasses presents graphs representing liquid filling glasses of different shapes (more info). 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 Learn Alberta: Exploring Algebra series (more info). Exploring algebra NLVM: Algebra manipulatives Algebra balance scales Algebra balance scales: negatives Coin problem

## Geometry

 Contours explores how contours are used to represent a 3D 'landscape' (more info). Contours: about contours Contours: mystery shapes Contours: loony landscapes Contours Measuring explores similar shapes and objects and scaling using ratios (more info). Measuring: similar shapes Measuring: scaling up Measuring: scaling down Measuring: similar solids Measuring: scaling up solids Measuring: scaling down solids Measuring: scaling surface area Measuring: volumes Viewfinder requires users to arrange a 3D scene so that a 'photo' from a certain angle replicates a given 2D picture (more info). Viewfinder: up front Viewfinder: flip side Viewfinder: backwards glance Viewfinder: all angles Viewfinder NLVM: Space manipulatives Pentominoes Tessellations Pattern blocks Geoboard Geoboard: coordinate Geoboard: isometric Congruent triangles Platonic solids Polyominoes Learn Alberta: Exploring Space series (more info). Exploring angles Exploring dilations Exploring quadrilaterals

## Measurement

 Journey Planner requires users to use timetables to find the best way to travel between points on a map (more info). Journey planner: quickest route 1 Journey planner: quickest route 2 Journey planner: quickest route 3 Journey planner: quickest route 4 NLVM: Volume manipulative How high?