Math Measurements with Proportions

Identify the tables scale factor.

• ¹/₁₄

• 14

• 0.7

• ^39.2/_2.8

A photograph of Rene Magritte's painting The Schoolmaster has dimensions 5.4 cm and 4 cm. The scale factor is ¹/₁₅. Find the size of the actual painting.

• 81 cm; 60 cm

• 0.09 cm; 0.05 cm

• 11.1 cm; 20.25 cm

• 0.36 cm; 0.27 cm

A map of Texas has a scale of 1 in:65 mi. The distance from Dallas to San Antonio is 260 mi. What is the distance in inches between these two cities on the map?

• 0.25 mi

• 0.25 in

• 4 mi

• 4 in

________________ figures are figures that have the same shape but not necessarily the same size.

• Congruent

• Similar

• Corresponding Angles

• Corresponding Sides

________________ is the ratio between two sets of measurements.

• Scale Factor

• Scale Drawing

• Scale Model

• Scale

________________ are sides in the same relative position in polygons with an equal number of sides.

• Corresponding Angles

• Corresponding Sides

• Corresponding Lines

• Similar Sides

________________ is a ratio used to enlarge or reduce similar figures.

• Scale Factor

• Scale Drawing

• Scale Model

• Scale

________________ is a proportional model of a three-dimensional object.

• Scale Factor

• Scale Drawing

• Scale Model

• Scale

________________ is a method of using proportions to find an unknown length or distance in similar figures.

• Direct Measurement

• Corresponding Measurement

• Simlar

• Indirect Measurement

________________ is a proportional two-dimensional drawing of an object.

• Scale Factor

• Scale Drawing

• Scale Model

• Scale