Proportionality with Ratios & Equations
6.4B
6.4B
At Hudson Middle School, 2 out of every 5 students brings their lunch to school each day. If the school has 245 students, how many students bring their lunch to school each day?
98
Jason is 6 feet 5 inches tall. How many inches are equivalent to 6 feet 5 inches?
77 inches
Simplify the expression 2(x+5)
2x+10
Maria makes a withdrawal of $23 from her savings account every week for 6 weeks. If this is the only change in her account during this time, which of the following best represents the change in her savings account?
-$138
What is the prime factorization of 48?
24x3
A candy jar contains 28 pieces of cherry and cinnamon candy. The jar contains 4 pieces of cherry candy for every 3 pieces of cinnamon candy. Which proportion can be used to find y, the total number of pieces of cherry candy in the jar?
4/7 = y/28
Jonas collected 38 pounds of newspaper for recycling. How many ounces of newspaper did he collect?
608 oz
Are the two expression equivalent? Why or why not?
2(x+1)+2 and x+(x+5)-1
The two expressions are equivalent because they will both have a value of 2x + 4 when simplified.
What is the value of ( -125)/ (-25)?
5
Which expression does not have a value of 36?
F. 33 + (4x3)/ 22
G. (16 x 6 + 4) - 64
H. 20 + (16/2)+23
J. (2 x 16)/ 4 x 4
J. (2 x 16)/ 4 x 4
Look at the words below.
square-triangle-circle-circle-circle-square
Which decimal represents the ratio of circles to squares?
1.5
Jimmy runs the 50-yard dash in track. How many feet are in 50 yards?
150
If the expression 4(6+3x+2)+5x3 is rewritten as 4(3x+6+2)+5x3, what property was used
Commutative Property of Addition
Which expression has a value of -24 ?
A -8 x -3
B -40 - 26
C -50+74
D Not Here
D Not Here
What is the prime factorization of 126?
2 x 32 x 7
The teacher-student ratio at Ellwood Middle School is 1 to 25. If there are 600 students, how many teachers are there?
24
A bottle of orange juice contains 48 ounces. How many cups does the bottle contain?
6
Two angles are supplementary. One angle's measure is 79 degrees.
x+10+10+10+10+10+10+10+9 = 100+10+10+10+10+10+10+10+10
101 degrees
Look at the expressions below.
a. -5+ ( -3) b. -4 x 2 c. 32/ ( -4) d. -6 - 2
Which of the expressions have a value of -8 ?
All of the above
Which does not have 33 included in the prime factorization of the number?
F 135 H 108 G 162 J 315
J 315
Emory Middle School Student Council organized a canned goods drive. The chart below shows the number of canned goods donated by the classes. Each class donated the same number of cans.
Number of Classes Number of Cans
2 150
4 300
8 600
11 ?
Based on the information in the table, what is the number of cans of canned goods that will be donated by 11 classes?
825
Charlie has a piece of rope 12 meters 15 centimeters long. He cut off a piece of the rope that was 2 meters 37 centimeters long to tie a gate closed. How many centimeters of rope did he have left?
978
22. Two angles are complementary. One of the angles has a measure of 42°. Which statement is true?
F This situation is modeled by x+42 =90. Thus the second angle has a measure of 48°.
G This situation is modeled by x +42 =180. Thus the second angle has a measure of 138° .
H This situation is modeled by x +42 =90. Thus the second angle has a measure of 58° .
J This situation is modeled by x + 42= 180. Thus the second angle has a measure of 128° .
F This situation is modeled by x+42 =90. Thus the second angle has a measure of 48°.
Stella played a game where she drew five cards from a set of cards.
-6 4 3 -8 5
Her score will be the sum of the five cards. What is Stella’s score?
-2
Which number has a prime factorization of 2 x 3 x 52 x 7?
F 210
G 240
H 1,050
J 525
H 1,050