KPrep Review1-Scale & Unit Rate

Front

What is a scale in a blueprint?

Back

A scale is a ratio that compares the dimensions of a drawing to the actual dimensions of the object it represents.

Front

How do you convert measurements using a scale?

Back

To convert measurements, multiply the measurement on the drawing by the scale factor.

Front

What is unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one.

Front

How do you find the length of an object using a scale?

Back

Use the scale ratio to set up a proportion and solve for the unknown length.

Front

If a scale is 8 ft to 2 cm, how many feet does 1 cm represent?

Back

1 cm represents 4 ft.

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width.

Front

How do you find the actual length of a trail given a map scale?

Back

Multiply the length on the map by the scale factor to find the actual length.

Front

What is the relationship between scale and unit rate?

Back

Both scale and unit rate involve ratios, but scale relates to physical dimensions while unit rate compares quantities.

Front

How do you determine which object is longer using scale drawings?

Back

Convert the lengths from the scale drawing to actual lengths and compare them.

Front

What is the formula for finding the area of a rectangle in square inches?

Back

Area = length (in inches) × width (in inches).