Comparing and Ordering Fractions and Mixed Numbers

What is the first step in comparing fractions using the common denominator method?

• Compare the numerators directly

• Find a common denominator

• Cross multiply the fractions

• Convert fractions to decimals

If you have the fractions 3/4 and 1/3, what is their least common denominator?

• 12

• 15

• 9

• 6

How can you remember which greater than or less than symbol to use?

• Use the larger number first

• Put two dots beside the larger number and one dot beside the smaller number, then connect the dots

• Always use the greater than symbol

• Use the smaller number first

When comparing mixed numbers, what should you compare first?

• The whole numbers

• The fractions

• The denominators

• The numerators

What is the least common denominator of 7/12 and 7/10?

• 70

• 84

• 60

• 120

What is the cross products method used for?

• Adding fractions

• Converting fractions to decimals

• Comparing fractions by multiplying diagonally and comparing the products

• Finding a common denominator

Why does the cross products method work?

• It finds the least common denominator

• It tells you what the numerators would be if you had a common denominator

• It converts fractions to improper fractions

• It simplifies the fractions

When ordering multiple fractions, what is a useful strategy?

• Use only the cross products method

• Convert all fractions to decimals

• Ignore the denominators

• Compare each fraction to one-half

Which fraction is greater: 2/5 or 9/20?

• They are equal

• 9/20

• Cannot be determined

• 2/5

If you have the fractions 1/5, 1/3, and 2/5, which one is between 1/8 and 3/10?

• 1/5

• 1/3

• 4/5

• 2/5