Transformations Crossword Puzzle

QUESTIONS LIST:

• translation: this is a sliding movement that moves all the points on a 2d shape the same distance in the same direction. , without rotating or flipping the shape
• enlargement: this changes the lengths of the sides of a shape by the same scale factor
• reflection: this is obtained when a 2d shape is reflected in a mirror line
• rotation: this is when an object is turned through a stated angle, clockwise or anticlockwise around a fixed centre point point.
• line of symmetry: this is a line that cuts a shape into 3 perfectly identical parts. it is another name for 'mirror line'.
• column vector: this describes the horizontal and vertical movements a translation makes of one shape to another
• congruent triangles: these triangles are the same in shape and size
• corresponding sides: this is the name for sides that are in the same position in two different shapes or polygons
• x axis: this is the name for the horizontal axis on a coordinate grid
• coordinates: this is the name for a pair of numbers that show the exact position of a point on a graph. they are written as (x,y), meaning the point on the x axis is written first, followed by the point on the y axis
• centre of rotation: this is the point about which a 2d shape is turned.
• scale factor: every side length of a shape is multiplied by this to enlarge it.
• similar triangles: these triangles are the same shape but different in size. the ratio of all the corresponding sides are the same
• y axis: this is the vertical axis on a coordinate grid