Scaled Copies Vocabulary

Center of a dilation

• In a proportional relationship, the values for one quantity are each multiplied by the same number to get the values for the other quantity.

• in a dilation, the fixed point about which the figure is enlarged or reduced. It is the starting point from which we measure distances in a dilation.

• Two ratios are equivalent if you can multiply each of the numbers in the first ratio by the same factor to get the numbers in the second ratio.

• In a proportional relationship, the values for one quantity are each multiplied by the same number to get the values for the other quantity. This number is called the constant of proportionality.

Tags

CCSS.8.G.A.3

Corresponding parts

• When part of an original figure matches up with part of a copy, we call them corresponding parts. These could be points, segments, angles, or distances.

• Copy is the same size as original

• When you flip over a fraction. Example: the reciprocal of 2/3 is 3/2

• Are in the same position in relation to the rest of the figure.

Tags

CCSS.8.G.A.2

Similar

• A scale drawing represents an actual place or object. All the measurements in the drawing correspond to the measurements of the actual object by the same scale.

• Figures that have the same shape but not necessarily the same size. Two figures are similar if one can fit exactly over the other after rigid transformations and dilations.

• A scale tells how the measurements in a scale drawing represent the actual measurements of the object.

• To create a scaled copy, we multiply all the lengths in the original figure by the same number. This number is called the scale factor.

Tags

CCSS.7.G.A.1

Scale factor less than 1

• Copy is the same size as original

• To create a scaled copy, we multiply all the lengths in the original figure by the same number. This number is called the scale factor.

• Copy is smaller than original

• Copy is larger than original

Tags

CCSS.8.G.A.3

Scale

• A scale tells how the measurements in a scale drawing represent the actual measurements of the object.

• The steepness of a line on a graph. The slope of a line is a number we can calculate using any two points on the line. To find the slope, divide the vertical distance between the points by the horizontal distance.

• A scale drawing represents an actual place or object. All the measurements in the drawing correspond to the measurements of the actual object by the same scale.

• A scaled copy is a copy of a figure where every length in the original figure is multiplied by the same number.

Tags

CCSS.7.G.A.1

Coordinate plane

• Two ratios are equivalent if you can multiply each of the numbers in the first ratio by the same factor to get the numbers in the second ratio.

• A scale drawing represents an actual place or object. All the measurements in the drawing correspond to the measurements of the actual object by the same scale.

• When part of an original figure matches up with part of a copy, we call them corresponding parts. These could be points, segments, angles, or distances.

• a plane in which a horizontal number line and a vertical number line intersect at their zero points. The coordinate plane is a system for telling where points are.

Tags

CCSS.5.G.A.1

Origin

• A scale tells how the measurements in a scale drawing represent the actual measurements of the object.

• The steepness of a line on a graph. The slope of a line is a number we can calculate using any two points on the line. To find the slope, divide the vertical distance between the points by the horizontal distance.

• When part of an original figure matches up with part of a copy, we call them corresponding parts. These could be points, segments, angles, or distances.

• The origin is the point (0,0) in the coordinate plane. This is where the horizontal axis and the vertical axis cross.

Tags

CCSS.5.G.A.1

Proportional relationship

• When part of an original figure matches up with part of a copy, we call them corresponding parts. These could be points, segments, angles, or distances.

• In a proportional relationship, the values for one quantity are each multiplied by the same number to get the values for the other quantity.

• in a dilation, the fixed point about which the figure is enlarged or reduced. It is the starting point from which we measure distances in a dilation.

• In a proportional relationship, the values for one quantity are each multiplied by the same number to get the values for the other quantity. This number is called the constant of proportionality.

Tags

CCSS.7.RP.A.2A

Constant of proportionality

• In a proportional relationship, the values for one quantity are each multiplied by the same number to get the values for the other quantity.

• When part of an original figure matches up with part of a copy, we call them corresponding parts. These could be points, segments, angles, or distances.

• in a dilation, the fixed point about which the figure is enlarged or reduced. It is the starting point from which we measure distances in a dilation.

• n a proportional relationship, the values for one quantity are each multiplied by the same number to get the values for the other quantity. This number is called the constant of proportionality.

Tags

CCSS.7.RP.A.2B

Scale Drawing

• A scaled copy is a copy of a figure where every length in the original figure is multiplied by the same number.

• A scale drawing represents an actual place or object. All the measurements in the drawing correspond to the measurements of the actual object by the same scale.

• a plane in which a horizontal number line and a vertical number line intersect at their zero points. The coordinate plane is a system for telling where points are.

• a plane in which a horizontal number line and a vertical number line intersect at their zero points. The coordinate plane is a system for telling where points are.

Tags

CCSS.7.G.A.1