The WHITE Cross

The WHITE Cross

The WHITE Cross Lesson 2 L e s s o n 1 R e V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s T GOAL: The WHITE Cross The goal of this stage is to get the WHITE cross on the UP face with all the colored sides of the WHITE edges matching the center pieces. L e s s o n

1 R e V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s T Reviewing FACES The flat (two-dimensional) square, on each surface of the cube. Up Face Down Face Left Face Right Face How many faces does a cube have? L e s s o n

1 R e Front Face L V o c a b u l L e s s o n F L Back Face e s s o n R L e s s o n E x t R u b i k s T Reviewing CENTER Pieces WHITE Face BLUE Face Pieces with one color. Center pieces DO NOT MOVE. How many center pieces are there? Why are center pieces important? L e s s o n 1 R

e V o c a b u l L e s s o n F L e s s o n R ORANGE Face L e s s o n E x t R u b i k s T Reviewing EDGE Pieces YELLOW/RED Edge Red/WHITE Edge Pieces with two colors. How many edge pieces are there on a Rubiks Cube? Edge pieces are between the. L e s s o n 1 R e V o

c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s T Reviewing CORNER Pieces GREEN/ORANGE/YELLOW Corner Pieces with 3 colors. How many corner pieces are there? Why do they have 3 colors? L e s s o n 1 R e V o c a b u l L e s

s o n F L e s s o n R L e s s o n E x t R u b i k s T Reviewing Turns R Ri L D B Di Bi U Ui F Fi L e s s o n 1 R e Li V o c a b u l

Inverse means opposite. By using the inverse of a move, L L L e e be undone. the move can e s s s o n F s s o n R s o n E x t R u b i k s T SCRAMBLED CUBE 25 Random Turns This is just one example of a scramble. L e s s o n 1 R e V o c a b u l L e s s o n F

L e s s o n R L e s s o n E x t R u b i k s T Layers and Faces When solving the cube, sometimes its easier to talk about the layers. The WHITE /BLUE edge pieces are in the TOP layer. Layers are threedimensional (length, width and height), like layer cake. MIDDLE layer TOP layer L e s s o n 1 R e BOTTOM layer V o c a b u l L e s s o n F

L e s s o n R L e s s o n E x t R u b i k s T Layers and Faces When solving the cube, sometimes its easier to talk about the layers. Faces are the flat sides of the Cube. Faces are twodimensional (length and width). Think of frosting that goes on all the sides of the UP Face cake. The UP faces are covered with yellow. LEFT Face L e s s o n 1 R e V o c a b u l L e s s o n F

RIGHT Face L e s s o n R FRONT Face L e s s o n E x t R u b i k s T Working with EDGES Edge pieces are formed by 2 tiles on 2 adjacent faces. When making a design like the WHITE Cross, the location of the WHITE tile tells you which face to turn. For this Edge piece, there is a WHITE tile on the Front face. Where does the WHITE tile go when you make a turn? L e s s o n WhereeL does it goV when you make a s s o n 1 R e o c a b u l F L e s s

o n R turn? L e s s o n E x t R u b i k s T Working with EDGES In this lesson, you will sometimes put the WHITE tile of the Edge piece on the UP face. The last 2 turns did not do that. Which of the turns below will put the WHITE tile on the UP face? L L The non-WHITE side of the L Edge is on the RIGHT e e L V e s e s Ri. face. Thats how you know to turn R or s o s s s s o n 1 R e c a

b u l s o n F s o n R o n E x t R u b i k s T The WHITE Cross There are two parts to completing the WHITE Cross. Part 1 makes a daisy on the YELLOW face. All the edge pieces surrounding the YELLOW center will be WHITE, just like a daisy. L e s s o n 1 R e Part 2 puts all the tiles for the WHITE cross on the WHITE Face. The EDGE tile colors on the TOP and MIDDLE L layerseLwill matcheL the V e s s s Centers. o s s o c a b u l s

o n F o n R o n E x t R u b i k s T PART 1: Making the Daisy First Goal: To surround the YELLOW center with WHITE Edge pieces. L e s s o n 1 R e Hold the cube with the YELLOW center on the UP face. Find an Edge piece that has a WHITE tile. Turn the face without the WHITE tile until the WHITE tile is on the Up face. Repeat these steps untilL all 4 WHITE L L e e Edge tiles are V e on the UP face. s s o c a b

u l s s o n F s s o n R s o n E x t R u b i k s T Troubleshooting the Daisy First Goal: To surround the YELLOW center with WHITE Edge pieces. Sometimes, when you place the Edge, you might mess up a WHITE tile that is already on the UP face.. You do this and get this The WHITE /BLUE Edge moved to the RIGHT! To prevent this from happening, turn the TOP layer to get the WHITE / BLUE edge out of the way. In this case, L L a make a or turn before making turn. L e e L e s s o n 1 R

e V o c a b u l e s s o n F e s s o n R s s o n E x t R u b i k s T Troubleshooting the Daisy Sometimes, when you place the Edge, the WHITE tile is not on the UP face. First Goal: To surround the YELLOW center with WHITE Edge pieces. L e s s o n 1 R e You do this and get this To flip the Edge- hold the cube so the Edge that needs to be flipped is on the RIGHT (R) face and make these turns:

V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s T PART 1: Making the Daisy When you have placed all 4 WHITE Edges on the UP face, the UP face will look like this: First Goal: To surround the YELLOW center with WHITE Edge pieces. L e s s o n 1 R e V o c

a b u l L for PartL 2! YouL are ready e e e s s o n F e s s o n R s s o n E x t R u b i k s T PART 2: Making the WHITE Cross WHITE BLUE Goal: Pick one of the WHITE Edges. Turn the UP layer until the nonWHITE tile on the Edge matches the Center tile. To match the EDGE pieces color with the CENTERs color on the TOP & MIDDLE layers. L e s s o n 1 R e

V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s T PART 2: Making the WHITE Cross WHITE Make 2 turns of that face (LEFT in this example). The WHITE tile will be on the DOWN face. BLUE Goal: To match the EDGE pieces color with the CENTERs color on the TOP & MIDDLE layers. or FT LE Repeat matching Edge to Center and L

L e L V e e making s2 turns foro all 4 WHITE Edges. s s s s o n 1 R e c a b u l s o n F s o n R L e s s o n E x t R u b i k s T PART 2: Making the WHITE Cross Turn the entire cube over so that the WHITE is now the UP face. GOAL: The WHITE Cross The goal of this stage is to get the WHITE cross on the UP face with all the colored sides of the WHITE edges matching the center pieces. L e s

s o n 1 R e V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t D o e s y o u r R u b i k s C u b e l R u b i k s T

Congratulations! Congratulations! Congratulations! Congratulations! Congratulations! Congratulations! L e s s o n 1 R e You have solved The WHITE Cross V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s T REVIEW With the YELLOW face UP, make a daisy by putting the WHITE Edge tiles on the UP face. GOAL:

The WHITE Cross The goal of this stage is to get the WHITE cross on the UP face with all the colored sides of the WHITE edges matching the center L e pieces. s s s o n 1 R e Turn the UP layer to match one non-WHITE Edge tile to its Center. V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s T REVIEW Make 2 turns to put the

WHITE tile on the DOWN face. GOAL: The WHITE Cross The goal of this stage is to get the WHITE cross on the UP face with all the colored sides of the WHITE edges matching the center L e pieces. s s s o n 1 R e Turn the WHITE face UP to see the WHITE Cross! V o c a b u l L e s s o n F L e s s o n R L e s s o n E x t R u b i k s

T REVIEW GOAL: The WHITE Cross If the EDGE piece needs to be flipped, use this sequence: The goal of this stage is to get the WHITE cross on the UP face with all the colored sides of the WHITE edges matching the center pieces. L e s s o n L e s s o n L e s s o n L Make sure e the EDGE Vpiece you are trying to flip is on the RIGHT face. s s o n 1 R e o c a b u l F R E x t R u b i

k s T Lesson Extension How does this lesson apply to math? 1 4 5 x 1 2 + 1 9 0 4 5 0 5 4 0 L e s s o n 1 R e The sequence Ri, U, Fi, Ui, is an algorithm. An algorithm is a set of rules or set of steps that we use to solve math problems. For example, when we multiply 45 x 12 First multiply 45 by 2. Then multiply 45 by 10. L L L Last, add the two products e e V e s s together. s o s c a b u l s o n F s o n R o

n E x t R u b i k s T Vocabulary Cube: 3 dimensional object with 6 square faces Face: 2 dimensional surface or side of a cube Center: The piece in the middle of a face. Face colors are the color of the center. Corner: The piece where 3L faces meet L L e s s o n 1 R e V o c a b u l L e s s o n F e s s o n R e s s o n E x t R u b

i k s T Vocabulary Edge: The piece where 2 small tiles on different faces meet Turn (move): a clockwise turn of a face of the Cube. A turn is 900. Layer: 3 dimensional slice of a Rubiks Cube L e s s o n 1 R e Inverse: an opposite action. The L L L e e inverse of a move undoes the move. V e s s o c a b u l s s o n F s s o n R s o n E x t R u

b i k s T Question: If someone gave you a dollar for each of the possible combinations on a Rubiks Cube, how much money would you have? Answer: There are 43 quintillion combinations so you L would have $43 quintillion. L L e e L V e s (43,252,003,274,489,856,000) e s s o s s s o n 1 R e o c a b u l s s o n F s o n R o n E x t R u b i k s T

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