Unit 4 Study Guide

A teacher wrote the number 37,518 on the board. A student wrote a different number using the same digits. The 5 in the student’s number represents ten times the 5 in the teacher’s number. Which could be the student’s number?

• 83,157

• 85,137

• 87,135

• 87,153

How can the number 31,072 be written in expanded form?

• 3,000 + 1,000 + 700 + 2

• 30,000 + 100 + 70 + 2

• 30,000 + 1,000 + 70 + 20

• 30,000 + 1,000 + 70 + 2

The table below shows the distance of certain cities from Charlotte, NC. Which

is the closest city to Charlotte?

Distances from Charlotte

City Distance (miles)

Los Angeles, CA 2,413

Portland, OR 2,758

Anchorage, AK 4,328

Seattle, WA 2,796

• Los Angelos

• Portland

• Anchorage

• Seattle

Mike and his family went on a trip to the mountains. Mike drove 83,942 miles before

stopping to rest for the night. His brother, Ronald drove 29,017, stopped to use the

restroom and then continued another 42,740 miles before stopping to rest for the night.

How many more miles did Mike drive before stopping to rest for the night than his

brother Ronald?

• 54,925

• 41,202

• 71,757

• 12,185

Mrs. Branch has 85/100 of a dollar. Ms. Leafe has 6/10 of a dollar. How much money

do they have altogether?

• $1.45

• $1.25

• $0.91

• $0.81

Mallory and Zane both made a number.

Mallory’s Number

23,714

Zane’s Number

35,172

Which statement about the two numbers is correct?

• The value of the 1 in Zane’s number is 100 times greater than the value of the

  1 in Mallory’s number.

• The value of the 7 in Mallory’s number is 10 times greater than the value of the

  7 in Zane’s number.

• The value of the 3 in Mallory’s number is 10 times more than the value of the 3

  in Zane’s number.

• The value of the 2 in Zane’s number is equal to the value of the 2 in Mallory’s

  number.

Which of the following also shows 50 thousands, 20 tens, and 2 ones?

• fifty thousand, two hundred two

• 52,002

• 5 + 1000 + 202

• 50,022

Which statement below is true?

• 3 thousands, 1 hundred, 68 ones = 3 thousands, 1 hundred, 2 tens, 48 ones

• 3 thousands, 1 hundred, 68 ones > 3 thousands, 1 hundred, 2 tens, 48 ones

• 2 thousands, 11 hundreds, 68 ones < 2 thousands, 11 hundreds, 5 tens, 18 ones

• 2 thousands, 11 hundreds, 68 ones > 2 thousands, 11 hundreds, 5 tens, 18 ones

Ellie the Elephant lives at the Asheboro Zoo. She has been given 17,508

gallons of water. If she has drank 12,966 gallons of water so far, how many

more gallons of water will Ellie the Elephant have left to drink?

• 4,542

• 13,462

• 30,474

• 42,474

This table shows the number of students enrolled in a school in the years

2019–2021.

Year Number of Students

2019 4,070

2020 ?

2021 4,700

In 2020, there were more students than in 2019 but fewer than in 2021. Which

could be the number of students enrolled in 2020?

• 4,770 students

• 4,707 students

• 4,077 students

• 4,007 students