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# Pre-Algebra Help

In this section you'll find study materials for pre-algebra help. Use the links below to find the area of pre-algebra you're looking for help with. Each study guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn pre-algebra.

### Study Guides

showing 31 - 40 of 211
• 31.

#### Division of Mixed Numbers Help

Division of Mixed Numbers To divide mixed numbers, change them into improper fractions, invert the fraction after the division sign, and multiply . Examples

Source: McGraw-Hill Professional
• 32.

#### Fractions in Word Problems Help

Fractions in Word Problems Word problems involving fractions are performed using the same procedure as those involving whole numbers. Examples Example ...

Source: McGraw-Hill Professional
• 33.

#### Comparing Fractions Help

Comparing Fractions To compare two or more fractions: Step 1 Find the LCD of the fractions Step 2 Change the fractions to higher terms using the LCD . ...

Source: McGraw-Hill Professional
• 34.

#### Operations with Positive and Negative Fractions Help

Operations with Positive and Negative Fractions Every fraction has three signs: the sign of the number in the numerator, the sign of the number in the denominator, and the sign in front of the fraction (called the sign of the fraction). For ...

Source: McGraw-Hill Professional
• 35.

#### More Advanced Fractions Practice Test

Review the following concepts if needed: Finding Common Denominators Help Addition of Fractions Help ...

Source: McGraw-Hill Professional
• 36.

#### Naming Decimals Help

Naming Decimals As with whole numbers, each digit of a decimal has a place value . The place value names are shown in Fig. 5-1 .

Source: McGraw-Hill Professional
• 37.

#### Rounding Decimals Help

Rounding Decimals Decimals are rounded the same way as whole numbers are rounded. To round a decimal to a specific place value, first locate that place value digit in the number. If the digit to the right is ...

Source: McGraw-Hill Professional
• 38.

Addition of Decimals In order to add two or more decimals, write the numbers in a column placing the decimal points of each number in a vertical line. Add the numbers and place the decimal point in the sum directly under the other decimal ...

Source: McGraw-Hill Professional
• 39.

#### Subtraction of Decimals Help

Subtraction of Decimals Subtracting decimals is similar to adding decimals. To subtract two decimals, write the decimals in a column, placing the decimal points in a vertical line. Subtract the numbers and ...

Source: McGraw-Hill Professional
• 40.

#### Multiplication of Decimals Help

Multiplication of Decimals To multiply two decimals, multiply the two numbers, disregarding the decimal points, and then count the total number of digits to the right of the decimal points in the two numbers. Count the same number of ...

Source: McGraw-Hill Professional

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