However, the algorithm shouldn't be needed more than twice, as there aren't many different positions the edges can be in. For the most part, the student will have to figure out which edges to swap by themselves, as there are many unique cases for this stage. This stage is fairly simple as only one algorithm is used to swap two edges around. The second stage involves the permutation of the top layer edges. As these algorithms are very similar, it is suggested that a student tries to learn both to avoid unnecessary repetition (especially if they want to be able to solve the cube quickly). This is done so that those who enjoy learning algorithms can use two to make a stage quicker to complete, whereas those who prefer repeating one algorithm to solve a certain stage have the option to do that also.įor each of the 3 different cases that require algorithms, an animation is provided that shows each choice (one algorithm/two algorithms). The orientation of the last layer edges stage provides both a one algorithm and a two algorithm method. In the second stage, a single algorithm is use to swap two edges at a time to eventually solve all four. For the first stage, the edges are manipulated so that they all face the same direction. Orienting and Permuting the Top Layer Edgesīoth of these stages work on solving the top four edges without disturbing what has already been made. Make sure the students can all still solve the cube up to this point otherwise they will not benefit as much from this lesson. This is essential as trying to understand new concepts can be difficult when you're still stuck on a previous stage. After this, a secondary recap is given to ensure that they can still solve the cube up to the starting point of this lesson. Following the standard recap questions, the student is introduced to the two stages they will be working towards today.
This lesson is very similar to the previous one, as two stages of the cube are solved together. The answers are then provided on the following slide. Here the student is tested on some concepts and algorithms that they have learnt in each different lesson, and encourages them to explain the purpose of algorithms they provide. Recap and OverviewĪs always, the lesson is begun with a recap of the previous lesson's content. The top layer has many different solving methods, but the one chosen is similar to the first stage, the cross, so it will help students understand what they are doing better. This stage will solve the entirety of the cube except the last four corners. In the fourth lesson on the Rubik's Cube (the penultimate solving lesson), progress is made on the top layer, continuing on from the previous lessons in which the first two layers were solved. Home » Rubik's Cube Curriculum » Solve the Top Layer Edges of the Rubik's Cube Solving the Top Layer Edges of the Rubik's Cube
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