Topic 1
Kent completed his homework in 52.752 minutes. What is this number rounded to the nearest tenth?
52.8
What is the sum?
5.92 + 3.48
9.40
Which expression is equal to 7 × 104?
A. 7 × 1,000
B. 70 × 100
C. 700 × 100
C. 700 × 100
Every school day, Dylan rides the school bus 4.79 miles round trip between home and school.
Estimate the total distance Dylan rode the school bus last month, when there were 21 school days. Write an equation to model your work.
Sample answer: 100 miles; 20 × 5 = 100
Select all of the following equations the number 50 will make true.
a.2,000 ÷___ = 40
b. 350 ÷ ___ = 70
c. 1,000 ÷____ = 200
a.2,000 ÷___ = 40
Eddy’s plum weighs 3.042 ounces. Desta’s plum weighs 3.24 ounces. Whose plum weighs more?
Desta's plum weighs more.
Estimate the sum of $4.28, $21.35, and $14.65 by rounding each number to the nearest tenth.
$40.40
On a family vacation, Aaron took 1,276 digital photos. His twin sister Ashley took 4 times as many photos as Aaron. Write and solve an equation to find p, the number of photos that Ashley took.
1,276 × 4 = p
p = 5,104
Which expression is equal to 0.8 × 0.07?
a. 8/10 × 7/100
b. 80/100 × 7/10
c. 8/10 × 7/10
a. 8/10 × 7/100
A candidate for mayor is calling 882 registered voters to remind them about the upcoming election. If the candidate has 49 volunteers and each person calls the same number of voters, how many voters will each volunteer call?
18 voters
The numbers below follow a pattern.
300 30 3 0.3 _______ _______
What are the next two numbers in the pattern?
0.03 0.003
Sophie put up three bookshelves in her room. The top shelf is 3.88 feet long, the middle shelf is 2.63 feet long, and the bottom shelf is 4.56 feet long. How much longer is the bottom shelf than the top shelf?
0.68 foot
The West Rock School District ordered 118 cartons of math books. The books were shipped in cartons that each held 36 books.
Estimate the total number of math books in the shipment. Write an equation to model your work
Sample answer: 4,800; 40 × 120 = 4,800
The area of one floor tile is 92.16 square inches. What is the area of a kitchen floor covered with 102 floor tiles?
9,216 square inches;
A water tank is filled at a constant rate. After 36 minutes, there are 648 gallons of water in the tank. How many gallons of water flowed into the tank each minute?
18 gallons
During the hockey season, Elena averaged 5.625 assists per game. What is 5.625 written in expanded form?
5 + 0.6 + .02 + .005
or
5+(6× 1/10)+(2× 1/100)+ (5× 1/1,000)
Mr. Lee sold 8.6 pounds of apples, Ms. Perry sold 40.44 pounds of apples, Ms. Cleary sold 23.5 pounds of apples, and Mr. Jones sold 34.5 pounds of apples at the farmer’s market. Which two people sold the most apples? What is the difference between the amounts these people sold?
Ms. Perry and Mr. Jones
5.94 pounds
Trevor has 228 e-books on his e-reader. Eli has 14 times as many e-books as Trevor. How many e-books does Eli have?
3,192 e-books
Ava bought 92.8 ounces of tomatoes. Tomatoes cost $1.30 per pound. There are 16 ounces in 1 pound. How much did Ava spend in all?
$7.54
A small business makes bottles of lemonade. Today, they have 528 ounces of lemonade to bottle. Each bottle holds 24 ounces of lemonade. They sell each bottle for $2. . How many dollars will the business receive?
$44
Which number has a digit in the ones place that is the value of the digit in the tens place?
A. 6,339
B. 8,101
C. 6,044
C. 6,044
Ricardo bought a pair of shoes for $55.60 and a hat for $9.78. If he paid with 4 twenty dollar bills, how much change did he get?
$14.62
A musical is playing at a theater that has 628 seats. How many tickets are available for 33 shows?
20,724
Jonathan is shopping for a frame for a square painting. Each side measures 9.5 inches. What is the perimeter of the painting? Write an equation to model your work.
4 × 9.5 = 38
38 inches
A theater holds 1,512 people. The 54 sections of the theater each have the same number of seats. Esther wants to find the number of seats in each section. What are the two partial quotients used in solving this problem?
8 and 20