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**Review from this Lesson**

The YELLOW Cross Lesson 5 Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

GOAL: The YELLOW Cross The goal of this stage is to get the YELLOW cross on the UP. Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

HORIZONTAL Horizontal is the name that describes when a line (or row) is parallel to the horizon. When looking at the cube, a horizontal line is parallel to the BOTTOM or TOP row of the cube THE MIDDLE LAYER IS HORIZONTAL HORIZONTAL LINE Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

VERTICAL Vertical is the name that describes when a line (or row) is perpendicular to the horizon. When looking at the cube, a vertical line is parallel to the RIGHT or LEFT row of the cube. THE BLUE MIDDLE ROW IS VERTICAL VERTICAL LINE Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**REVIEW from The Middle Layer**

Find an edge on the UP face that is NOT YELLOW on the UP or FRONT face. Match the FRONT face of the edge to the center piece of the same color so that there is a vertical middle line of all one color on the FRONT face of the cube. Look at the TOP face of the edge: If that color belongs on the RIGHT face (clockwise) of the cube: If that color belongs on the LEFT face (counter-clockwise) of the cube: Repeat the instructions until the horizontal middle line of each face has been solved. Make sure the WHITE cross remains intact each time you reposition a WHITE corner. REVIEW from The Middle Layer To get the Middle Layer: Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

RIGHT ANGLE A 90 degree angle Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

How many YELLOW pieces are on the YELLOW face? Does your YELLOW face have a YELLOW cross? If yes, then solving for the YELLOW cross is complete. Lesson Focus Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

Does your YELLOW face have only the YELLOW center piece? If yes, then follow the algorithm to get the YELLOW cross: Lesson Focus Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

Does your YELLOW face have a right angle shape at one of the corners? If yes, face the YELLOW right angle toward the BACK LEFT corner then follow the algorithm to get the YELLOW cross: Lesson Focus Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

Does your YELLOW face have a single middle line horizontally or vertically? If yes, match the line so it is horizontal on the UP face, then follow the algorithm to get the YELLOW cross: Lesson Focus Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

If you are unsure about the image on your cube, or if your cube doesn’t match one of the three options exactly… Find the best match. For example: If your YELLOW face has a YELLOW center piece and a YELLOW edge, the most accurate match would be the single YELLOW center piece (option 1). Troubleshooting Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Does your Rubik’s Cube look like this?**

Examine your Rubik’s Cube. GOAL: The YELLOW Cross The goal of this stage is to get the YELLOW cross on the UP. Does your Rubik’s Cube look like this? Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**You have achieved The YELLOW Cross**

Congratulations! Congratulations! Congratulations! Congratulations! Congratulations! Congratulations! You have achieved The YELLOW Cross Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

Look at the YELLOW face. Match the YELLOW face with: The single YELLOW center piece and follow the algorithm: The YELLOW right angle corner and follow the algorithm: The single YELLOW line down the middle row of the YELLOW face and follow the algorithm: REVIEW To get the YELLOW Cross: Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**Review from this Lesson**

The YELLOW cross is a symmetrical shape. Symmetry is when an image can be divided equally and looks the same on both sides of the division. When you are looking at the YELLOW face, at the cross, imagine a line drawn down the middle of the cross. The images on both sides of the line are the same. Therefore, the YELLOW cross is symmetrical. Lesson Extension How does this lesson apply to math? Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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**About how many Rubik’s Cubes have been sold worldwide?**

More than 200 Million! Review from Previous Lesson Lesson Vocab Lesson Focus Review from this Lesson Lesson Extension Rubik’s Q

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