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5 Written questions
4 Multiple choice questions
 A unit rate used to compare prices.
 An increase in size of all dimensions in the same proportions.
 a transformation that enlarges or reduces a figure.
 Figures with the same shape but not necessarily the same size.
4 True/False questions

ratio → A comparison of two quantities by division.

rate → A comparison of two quantities by division.

scale factor → A proportional model of a threedimensional object.

scale model → The ratio used to enlarge or reduce similar figures.