Contemporary Mathematics

Formula Review

9.1The Metric System

You can convert between unit sizes with the same base unit using the conversion factors shown in Figure 9.4.

9.2Measuring Area

To determine the area of rectangular-shaped objects:

$Area=length (l)×width (w) Area=length (l)×width (w)$

$or A=l×wor A=l×w$
Figure 9.16 Rectangle with Length $(l)(l)$ and Width $(w)(w)$ Labeled

You can convert between metric area units using the conversion factors shown in Figure 9.7.

9.3Measuring Volume

To determine the volume of a rectangular prism:

$Volume= length (l)×width (w)×height(h)Volume= length (l)×width (w)×height(h)$
$orV=lwhorV=lwh$
Figure 9.17 Rectangular Prism with Height $(h)(h)$, Length $(l)(l)$, and Width $(w)(w)$ Labeled

You can convert between metric volume units and metric capacity units using the relationships shown in Table 9.2.

9.4Measuring Weight

You can convert between metric weight units using the conversion factors shown in Figure 9.13.

9.5Measuring Temperature

To convert temperature from Fahrenheit to Celsius:

$C=59(F−32)C=59(F−32)$

To convert temperature from Celsius to Fahrenheit:

$F=95C+32F=95C+32$

To estimate temperature from Fahrenheit to Celsius:

$C=F−302C=F−302$

To estimate temperature from Celsius to Fahrenheit:

$F=2C+30F=2C+30$
Order a print copy

As an Amazon Associate we earn from qualifying purchases.