Comparing Fractions with Benchmark Values

What is a benchmark fraction?

• A fraction that is always greater than one

• A fraction that helps us easily compare other fractions

• A fraction that is difficult to understand

• A fraction that cannot be simplified

Which of the following is NOT a benchmark fraction?

• 2/3

• 1/4

• 1/3

• 1/2

In the example problem, how much popcorn did David use?

• 5/8 gallon

• 1/2 gallon

• 3/4 gallon

• 1/4 gallon

Which fraction is greater: 5/8 or 1/2?

• Cannot be determined

• They are equal

• 1/2

• 5/8

What is an equivalent fraction to 1/2?

• 2/3

• 3/6

• 4/5

• 5/8

How many eighths are equivalent to 1/2?

• 5/8

• 4/8

• 3/8

• 2/8

If 4/8 is equal to 1/2, which fraction is greater: 5/8 or 1/2?

• 5/8

• Cannot be determined

• They are equal

• 1/2

In the second example problem, how much of the trail did Evie and her father hike?

• 3/4

• 9/10

• 5/12

• 1/2

Which fraction is greater: 5/12 or 9/10?

• They are equal

• 5/12

• Cannot be determined

• 9/10

Why is it useful to compare fractions to a benchmark fraction like 1/2?

• It helps to easily determine which fraction is larger or smaller

• It makes the comparison more complicated

• It makes the fractions equal

• It is required by math rules