Study Guides

11.
Fraction Division and Compound Fractions Help
Fraction Division and Compound Fractions Division of fractions with variables can become multiplication of fractions by inverting the second fraction. Because compound fractions are really only fraction division problems, rewrite the compound ...
Source: McGrawHill Professional 
12.
Variables in Word Problems Help
Introduction to Variables in Word Problems Often the equations used to solve word problems should have only one variable, and other unknowns must be written in terms of one variable. The goal of this section is to get you acquainted with ...
Source: McGrawHill Professional 
13.
Algebra Introduction to Variables Practice Test
Review the following concepts if needed: Introduction to Variables Help Canceling with Variables Help ...
Source: McGrawHill Professional 
Source: McGrawHill Professional

15.
Adding and Subtracting Decimal Numbers Help
Adding and Subtracting Decimals In order to add or subtract decimal numbers, each number needs to have the same number of digits behind the decimal point. If you write the problem vertically, you can avoid the common problem of adding the ...
Source: McGrawHill Professional 
16.
Multiplying Decimal Numbers Help
Multiplying Decimals To multiply decimal numbers, perform multiplication as you would with whole numbers. Then count the number of digits that follow the decimal point or points in the factors. This total will be the number of digits that ...
Source: McGrawHill Professional 
17.
Decimal Fractions Help
Simplifying Fractions with Decimals Fractions having a decimal number in their numerator and/or denominator can be rewritten as fractions without decimal points. Multiply the numerator and denominator by a power of 10—the same power of ...
Source: McGrawHill Professional 
18.
Division with Decimals Help
Dividing Decimals We can use the method in the previous section to rewrite decimal division problems as whole number division problems. Rewrite the division problem as a fraction, clear the decimal, and then rewrite the fraction as a division ...
Source: McGrawHill Professional 
19.
Algebra Decimals Practice Test
Review the following concepts if needed: Decimals Help Adding and Subtracting Decimal Numbers Help ...
Source: McGrawHill Professional 
20.
Negative Numbers Help
Introduction to Negative Numbers A negative number is a number smaller than zero. Think about the readings on a thermometer. A reading of – 10° means the temperature is 10° below 0° and that the temperature would ...
Source: McGrawHill Professional