Refine Comparing and Rounding Decimals

Julie weighs five watermelons and rounds the weights to the nearest hundredth.

Which of the weights round to 7.43 pounds?

Choose all the correct answers.

• 7.429 pounds

• 7.437 pounds

• 7.433 pounds

• 7.413 pounds

• 7.425 pounds

Tags

CCSS.5.NBT.A.4

Choose >, <, or = to compare each pair of numbers.

19.657 ____ 19.67

• >

• <

• =

Tags

CCSS.4.NF.C.7

Choose >, <, or = to compare each pair of numbers.

5.421 ____ 5.4

• >

• <

• =

Tags

CCSS.4.NF.C.7

Choose >, <, or = to compare each pair of numbers.

70.24 ____ 70.240

• >

• <

• =

Tags

CCSS.4.NF.C.7

Choose >, <, or = to compare each pair of numbers.

45.386 ____ 45.368

• >

• <

• =

Tags

CCSS.4.NF.C.7

Ian and Rosa race in a speed skating competition.

Ian records a time of 42.839 seconds.

Rosa records a time of 42.782 seconds.

Which statement is true?

• Rounded to the nearest tenth of a second, the times are equal.

• Rosa’s time is closer to 42.79 seconds than to 42.78 seconds

• Ian’s time is closer to 42.83 seconds than to 42.84 seconds.

• Rounded to the nearest hundredth of a second, Rosa’s time is greater than Ian’s.

Tags

CCSS.5.NBT.B.7

Ms. Santos makes a wire sculpture. Each piece of wire is about 6.6 inches long.

Before using a piece of wire, she rounds the length to the nearest tenth of an inch.

Which of the following lengths round to 6.6 inches?

Select all that apply.

• 6.538 inches

• 6.647 inches

• 6.687 inches

• 6.56 inches

• 6.65 inches

Tags

CCSS.5.NBT.A.4

Isabella runs the 100-meter dash five times.

The times it takes her to complete these races, in seconds, are 12.7, 12.807, 12.78, 12.08, and 12.087.

What is the fewest number of seconds it takes Isabella to complete the race?

Tags

CCSS.5.NBT.B.7