What expression is represented by the model?
A) 1.6/8
B) 1.6-8
C) 1.6+8
D) 1.6x8
A) 1.6/8
Colette used 9.3 yards of barbwire to make a fence for her farm. The barbwire costs $8.70 per yard. How much did she pay for the barbwire?
$80.91
Solve the expression below
[6(2.5+3+5+2)]/50
1.5
Johnny bought some toy cars for his 9 friends. Each car cost $6.33. Which is the closest estimate to the amount Johnny paid for all the cars.
$54
Find the quotient
19.32/6
3.22
A construction worker has 452.6 pounds of cement. He wants to use an equal amount of cement to pave 31 roads. How much cement will he use for each road?
A) 14,030.6
B)14.6
C) 22.9
D) 32.2
B)14.6
One base 10 represents a whole
Which model represents 2.5 x 5
A)
B)
C)
D)
C)
What is the value of this expression?
18[9.7-2(2.2)]/9
A) 10.6
B) 33.88
C) 34.9
D) 62.743
A) 10.6
Grace is researching the size of different types of cacti. The mass of one of the smallest and one of the largest cacti is listed.
Mass of a Blossfeldia liliputana : 2.3 kg
Mass of a Saguaro cactus: 243 kg
Which statement is supported by this information?
A) The mass of a Saguaro cactus is about 10 times greater than the mas of a Blossfeldia lilliputana
B) The mass of a Saguaro cactus is about 30 times greater than the mas of a Blossfeldia liliputana
C) The mass of a Saguaro cactus is about 100 times greater than the mas of a Blossfeldia liliputana
D) The mass of a Saguaro cactus is about 300 times greater than the mas of a Blossfeldia liliputana
C) The mass of a Saguaro cactus is about 100 times greater than the mas of a Blossfeldia lilliputiana
Estimate the total
5.93x8
48
A chef has 296.7 cups of flour. He has to bake 15 batches of brownies. How many cups of flour will he put in each batch of brownies?
A) 1,978
B) 2,357
C) 19.78
D) 4,450.5
C) 19.78
Chelsie used 6.2 yards of fabric to make a dress. The material costs $4.10 per yard. How much did the fabric for the dress cost?
$25.42
Solve the expression below
[9(3.75+4.5+7.5+3)]/75
2.25
Kiana bought concert tickets for her 5 friends. Each ticket cost $9.47. Which is the closest estimate to the amount Kiana paid for all the tickets.
$45
Find the quotient
24.7/5
4.94
What expression is represented by the model?
A) 2.1+3
B) 2.1X3
C) 2.1-3
D) 2.1/3
D) 2.1/3
Trinity's dad put gas in his car. The price of gas is $3.14 per gallon. It took 19 gallons of gas to fill his gas tank. How much did he spend to fill his tank? Use RACE to explain how you solved this
Teacher discretion
Solve the expression below
[4(2.2+4.8+8.6+5)]/32
2.575
Jackie bought some bracelets for her 8 friends. Each bracelet cost $8.47. Which is the closest estimate to the amount Jackie paid for all the bracelets.
$64
Solve the expression
19[31.5-6(4.2)]/7
17.1
Myles has 14.98 yards of string. He is going to cut the string into 20 equal pieces. What is the length of each piece of string?
A) 7.49
B) 0.61
C) 0.749
D) 6.1
C) 0.749
Eric purchased 0.8 pounds of chocolate for his niece. If the chocolate costs 40 cents per pound which model represents how to determine the amount Eric paid for the chocolate?
A)B)
C)
A)
What is the value of this expression?
12[6.2-2(1.4)]/5
A) 816
B) 8.16
C) 14.112
D) 14.32
B) 8.16
Jamie is researching the size of different species of sharks. The mass of one of the smallest and one of the largest sharks is listed.
Mass of a Lantern Shark: 4.7 kg
Mass of a Great White Shark: 486 kg
Which statement is supported by this information?
A) The mass of a great white is about 10 times greater than the mas of a lantern shark
B) The mass of a great white is about 100 times greater than the mas of a lantern shark
C) The mass of a great white is about 30 times greater than the mas of a lantern shark
D) The mass of a great white is about 300 times greater than the mas of a lantern shark
B) The mass of a great white is about 100 times greater than the mas of a lantern shark
Find the product
8.34x9.5
79.23