Understanding Benchmark Fractions

What is a benchmark fraction?

• A fraction that is easy to picture and use for estimation

• A fraction that cannot be simplified

• A fraction that is difficult to visualize

• A fraction that is always greater than one

If Mika ate 3/7 of the cookies, did she eat more or less than half?

• Twice as much as half

• More than half

• Exactly half

• Less than half

How can you determine if 3/7 is less than half?

• By comparing it to 3/6

• By comparing it to 4/8

• By comparing it to 3.5/7

• By comparing it to 2/5

What is the sum of 1/9 and 1/9?

• 1/9

• 2/9

• 1/2

• 1/3

Which benchmark fraction is closest to 2/9?

• One-fourth

• One-third

• Three-fourths

• One-half