Jack-o-lantern
Candy Corn
Costumes
Ghosts
Spooky
100
21x40
840
100
Don works 18 hours a week. Which expression shows a good way to use rounding to estimate how many hours Don will work in 52 weeks?
A. 10x50
B. 10x60
C. 20x50
D. 18x60
C
100
12 x 83
996
100
86 x 68
5,848
100
23 x 54
1,242
200
A factory makes 132 laptops each day. How many laptops does the factory make in 45 days?
5,940
200
Antonio practices piano for 30 minutes each day. How many minutes does Antonio practice in 60 days?
1,800
200
There are 26 bottles of paint in one set. How many bottles of paint are in 52 sets?
1,352 bottles
200
The product of two factors is 2,000. One of the factors is 50. What is the other factor?
A. 20
B. 40
C. 200
D. 400
B. 40
200
Which is the best estimate for 176 x 742 ?
A. 140,000
B. 160,000
C. 180,000
D. 200,000
A.
300
A florist makes centerpieces. He puts 18 roses in each centerpiece. Which is the best way to use compatible numbers to estimate the number of roses the florist needs for 24 centerpieces? What is the exact number of roses?
A. 10x25=250; 360
B. 20x25=500; 432
C.25x30=750; 672
D. 30x30=900; 784
B. 20x25=500; 432
300
Select all the expressions that are equal to 260.
A. 23x10
B. 20x10+3x10
C. 13x 20
D. 1x20 +3x20
E. 10x20 + 3x20
C, E
300
Lorin drew an area model to find . Write the partial product for each rectangle in the area model. 
A=100
B=50
C=90
D=45
300
One box has 27 jars of strawberry jam. How many jars are in 82 boxes?
A. 2,160 jars
B. 2,204 jars
C. 2,214 jars
D. 2,224 jars
C
300
Which of the following uses properties of operations to help find 27x 14 ?
A. 20+7+10+4
B. 20x7x10x4
C. 27+14
D. (20+7)x(10+4)
D.
400
Which is the product? 700 x 900
A. 630
B. 6,300
C. 63,000
D. 630,000
D.
400
Jack’s landscape service charges $78 to plant a tree. What is the total cost to plant 18 trees on Tuesday and 23 trees on Wednesday? Write and solve equations
18+23=41
78x41= 3,198
400
Which number makes the equation true?
4x_____=16,000
A. 4
B. 40
C. 400
D. 4,000
D
400
Manuela goes to school 180 days this year. Each day, she spends 425 minutes at school. About how many minutes does Manuela spend at school this year?
about 80,000 minutes
400
Concert tickets each cost $54. There are 448 seats in the theater. How much money does the theater collect from ticket sales for a sold-out show?
$24,192
500
Check if Avery’s work is reasonable. Correct the work if needed.
92
x 43
________
186
+ 368
______
554
3x9=27
add a zero in the tens
500
Select all products with an estimate close to 150,000.
A. 288x491
B. 482x327
C. 313x507
D. 368x642
E. 375x231
A,B,C
500
Liz makes necklaces. Each has 16 beads. Use the numbers in the box to complete the table. 
10 160
30 480
50 800
90 1,440
500
Company Number of Trips Number of Packages per Trip
Transport Truck 80 60
Trusty Wheels 96 54
Cargo Express 78 35
How many packages does Transport Truck deliver in a month?
4,800 packages
500
Justine’s plant shop has 7 shelves. Each shelf holds 18 plants. Suppose she adds 2 more shelves to the shop. Write and solve equations to find the number of plants all of the shelves can hold.
162 plants