Full Length STAAR Grade 7 Practice Test

Full Length STAAR Grade 7 Practice Test

If you want to prepare for the STAAR Grade 7 Practice Test? It’s time to taking a Full-length STAAR Grade 7 Practice Test. It is the best way to simulate test day. To challenge your skills and simulate the full length STAAR Grade 7 Practice Test day experience, score your tests using the answer keys.

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STAAR Practice Test 1

  State of Texas Assessments of Academic Readiness   Grade 7 Mathematics 2019
1- What is the area of the shaded region?
STAAR Grade
(A) 9 \ π cm^2
(B) 25 \ π cm^2
(C) 39 \ π cm^2
(D) 64 \ π cm^2
2- A pizza cut into 8 parts. William and his sister Ella ordered two pizzas. William ate \frac{1}{4} of his pizza and Ella ate \frac{1}{2} of her pizza. What part of the two pizzas was left?
(A) \frac{1}{2}
(B) \frac{1}{3}
(C) \frac{3}{8}
(D) \frac{5}{8}
3- Simplify 3 \ y^2 \ (2 \ x^2 \ y)^4= 
(A) 12 \ x^4 \ y^6
(B) 12 \ x^8 \ y^6
(C) 48 \ x^4 \ y^6
(D) 48 \ x^8 \ y^6
4- Right triangle ABC has two shorter legs of lengths 8 cm (AB) and 15 cm (AC). What is the length of the third side (BC)?
(A) 10 cm
(B) 15 cm
(C) 16 cm
(D) 17 cm
5- The marked price of a computer is D dollar. Its price decreased by 20\% in January and later increased by 10\% in February. What is the final price of the computer in D dollar?
(A) 0.80 D
(B) 0.88 D
(C) 0.90 D
(D) 1.20 D
6- \left[ \ 6 \ × \ (– \ 24) \ + \ 12 \ \right] \ – \ (4) \ + \ \left[ \ 4 \ × \ 5 \ \right] \ ÷ \ 2 =?
Write your answer in the box below.
(A) -126
(B) - 126
(C) - 126
(D) -126
7- The area of a circle is 64 \ π. What is the circumference of the circle?
(A) 8 π
(B) 16 π
(C) 32 π
(D) 64 π
8- A $40 shirt now selling for $28 is discounted by what percent?
(A) 20\%
(B) 30\%
(C) 40\%
(D) 60\%
9- From last year, the price of gasoline has increased from $1.25 per gallon to $1.75 per gallon. The new price is what percent of the original price?
(A) 72\%
(B) 120\%
(C) 140\%
(D) 160\%
10- If 40\% of a class are girls, and 25\% of girls play tennis, what fraction of the class play tennis?
(A) 10\%
(B) 15\%
(C) 20\%
(D) 40\%
11- What is the median of these numbers? 2, \ 28, \ 28, \ 19, \ 67, \ 44, \ 35
(A) 19
(B) 28
(C) 44
(D) 35
12- Last week 24,000 fans attended a football match. This week three times as many bought tickets, but one sixth of them cancelled their tickets. How many are attending this week?
(A) 48,000
(B) 54,000
(C) 60,000
(D) 72,000
13- The following trapezoid are similar. What is the value of x ?
STAAR Grade1
(A) 7
(B) 8
(C) 18
(D) 45
14- If x=- \ 8, which equation is true?
(A) x \ (2 \ x − \ 4)=120
(B) 8 \ (4 \ − \ x)=96
(C) 2 \ (4 \ x \ + \ 6)=79
(D) 6 \ x \ − \ 2=− \ 46
15- In a bag of small balls \frac{1}{3} are black, \frac{1}{6}  are white, \frac{1}{4} are red and the remaining 12 blue. How many balls are white?
(A) 8
(B) 12
(C) 16
(D) 24
16- A boat sails 40 miles south and then 30 miles east. How far is the boat from its start point?
(A) 45
(B) 50
(C) 60
(D) 70
17- Sophia purchased a sofa for $530.40. The sofa is regularly priced at $624. What was the percent discount Sophia received on the sofa?
(A) 12\%
(B) 15\%
(C) 20\%
(D) 25\%
18- The score of Emma was half as that of Ava and the score of Mia was twice that of Ava. If the score of Mia was 60, what is the score of Emma?
(A) 12
(B) 15
(C) 20
(D) 30
19- A bag contains 18 balls: two green, five black, eight blue, a brown, a red and one white. If 17 balls are removed from the bag at random, what is the probability that a brown ball has been removed?
(A) \frac{1}{9}
(B) \frac{1}{6}
(C) \frac{16}{17}
(D) \frac{17}{18}
20- A rope weighs 600 grams per meter of length. What is the weight in kilograms of 12.2 meters of this rope? (1 kilograms = 1000 grams)
(A) 0.0732
(B) 0.732
(C) 7.32
(D) 7,320
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21- A chemical solution contains 4\% alcohol. If there is 24 ml of alcohol, what is the volume of the solution?
(A) 240 ml
(B) 480 ml
(C) 600 ml
(D) 1200 ml
22- The price of a laptop is decreased by 10\% to $360. What is its original price?
(A) 320
(B) 380
(C) 400
(D) 450
23- What is the median of these numbers? 4, \ 9, \ 13, \ 8, \ 15, \ 18, 5
(A) 8
(B) 9
(C) 13
(D) 15
24- Three times the price of a laptop is equal to five times the price of a computer. If the price of laptop is $200 more than the computer, what is the price of the computer?
(A) 300
(B) 500
(C) 800
(D) 1500
25- What is the perimeter of a square that has an area of 595.36 feet?
Write your answer in the box below.
(A) 97.6
(B) 97.6
(C) 97.60
26- Jason is 9 miles ahead of Joe running at 5.5 miles per hour and Joe is running at the speed of 7 miles per hour. How long does it take Joe to catch Jason?
(A) 3 hours
(B) 4 hours
(C) 6 hours
(D) 8 hours
27- 55 students took an exam and 11 of them failed. What percent of the students passed the exam?
(A) 20\%
(B) 40\%
(C) 60\%
(D) 80\%
28- Jason needs an 75\% average in his writing class to pass. On his first 4 exams, he earned scores of 68\%, \ 72\%, \ 85\%, and 90\%. What is the minimum score Jason can earn on his fifth and final test to pass?
Write your answer in the box below.
(A) 60
(B) 60
(C) 60.0
29- A bank is offering 3.5\% simple interest on a savings account. If you deposit $12,000, how much interest will you earn in two years?
(A) $420
(B) $840
(C) $4200
(D) $8400
30- 5 less than twice a positive integer is 83. What is the integer?
(A) 39
(B) 41
(C) 42
(D) 44
31- Which of the following points lies on the line 4 \ x \ + \  6 \ y=14?
(A) (2, \ 1)
(B) (– \ 1, \ 3)
(C) (– \ 3, \ 4)
(D) (2, \ 2)
32- How many possible outfit combinations come from six shirts, three slacks, and five ties?
Write your answer in the box below.
(A) 90
(B) 90
(C) 90.0
33- An angle is equal to one fifth of its supplement. What is the measure of that angle?
(A) 20
(B) 30
(C) 45
(D) 60
34- John traveled 150 km in 6 hours and Alice traveled 180 km in 4 hours. What is the ratio of the average speed of John to average speed of Alice? 
(A) 3 : 2
(B) 2 : 3
(C) 5 : 9
(D) 5 : 6
35- In a party, 10 soft drinks are required for every 12 guests. If there are 252 guests, how many soft drink is required?
(A) 21
(B) 105
(C) 210
(D) 2510
36- You can buy 5 cans of green beans at a supermarket for $3.40. How much does it cost to buy 35 cans of green beans?
(A) $17
(B) $23.80
(C) $34.00
(D) $119
37- 1.2 is what percent of 24?
(A) 1.2
(B) 5
(C) 12
(D) 24
38- Joe scored 20 out of 25 marks in Algebra, 30 out of 40 marks in science and 68 out of 80 marks in mathematics. In which subject his percentage of marks is best?
(A) Algebra
(B) Science
(C) Mathematics
(D) Algebra and Science
39- What is the volume of the following square pyramid?
STAAR Grade2
(A) 120 m^3
(B) 144 m^3
(C) 480 m^3
(D) 1440 m^3
40- Robert is preparing to run a marathon. He runs 7 \ \frac{1}{5} miles on Saturday and two times that many on Monday and Wednesday. Robert wants to run a total of 60 miles this week. How many more miles does he need to run?
Write your answer in the box below.
1- Choice C is correct

The correct answer is 39 \ π cm^2
To find the area of the shaded region, find the difference of the area of two circles.
(S_{1}: the area of bigger circle. S_{2}: the area of the smaller circle)
Use the area of circle formula.
S = π \ r^2
S_{1} \ - S_{2} = π \ ( 5 \ + \ 3cm)^2 \ - \ π \ (5 cm)^2 ⇒
S_{1} \ - S_{2} = π \ 64 cm^2 \ - \ π \ 25 cm^2 ⇒
S_{1} \ - S_{2} = 39 \ π cm^2

2- Choice D is correct

The correct answer is \frac{5}{8}
William ate \frac{1}{4} of 8 parts of his pizza that it means 2 parts out of 8 parts ( \frac{1}{4} of 8 parts = x ⇒ x = 2) and left 6 parts.
Ella ate \frac{1}{2} of 8 parts of her pizza that it means 4 parts out of 8 parts ( \frac{1}{2} of 8 parts = x ⇒ x = 4) and left 4 parts.
Therefore, they ate (4 \ + \ 2) parts out of (8 \ + \ 8) parts of their pizza and left (6 \ + \ 4) parts out of (8 \ + \ 8) parts of their pizza.
It means: \frac{ 10}{16}
After simplification we have: \frac{5}{8}

 

3- Choice D is correct

The correct answer is 48 \ x^8 \ y^6
Simplify.
3 \ y^2 \ (2 \ x^2 \ y)^4=
3 \ y^2 \ (16 \ x^8 \ y^4 ) =
48 \ x^8 \ y^6

4- Choice D is correct

The correct answer is 17 cm
Use Pythagorean Theorem: a^2 \ + \ b^2 = c^2
8^2 \ + \ 15^2 = c^2 ⇒
64 \ + \ 225 = c^2 ⇒
c^2 =289 ⇒
c=17

5- Choice B is correct

The correct answer is 0.88 D
To find the discount, multiply the number by (100\% \ – rate of discount).
Therefore, for the first discount we get: (D) (100\% \ – \ 20\%) = (D) (0.80) = 0.80 D
For increase of 10\%: \ (0.80 D) (100\% \ + \ 10\%) = (0.85 D) (1.10) = 0.88 D = 88\% of D

 

6- Choice D is correct

The correct answer is – \ 126
Use PEMDAS (order of operation):
\left[ \ 6 \ × \ (– \ 24) \ + \ 12 \ \right] \ – \ (4) \ + \ \left[ \ 4 \ × \ 5 \ \right] \ ÷ \ 2 =
\left[ \ – \ 144 \ + \ 12 \ \right] \ – \ 4 \ + \ \left[ \ 20 \ \right] \ ÷ \ 2 =
\left[ \ – \ 144 \ + \ 12 \ \right] \ – \ 4 \ + \ 10 =
\left[ \ – \ 132 \ \right] \ – \ 4 \ + \ 10 = \left[ \ – \ 132 \ \right] \ – \ 4 \ + \ 10 = – \ 126

7- Choice B is correct

The correct answer is 16 \ π
Use the formula of areas of circles.
Area = π \ r^2 ⇒
64 \ π = π \ r^2 ⇒
64 = r^2 ⇒ r = 8
Radius of the circle is 8.
Now, use the circumference formula:
Circumference = 2 \ π \ r = 2 \ π \ (8) = 16 \ π

8- Choice B is correct

The correct answer is 30\%
Use the formula for Percent of Change
\frac{New \ Value-Old \ Value}{Old \ Value} \ × \ 100\%
\frac{28 \ - \ 40}{40} \ × \ 100\% = \ – \ 30\% (negative sign here means that the new price is less than old price).

 

9- Choice C is correct

The correct answer is 140\%
The question is this:
1.75 is what percent of 1.25?
Use percent formula:
part = \frac{percent}{100} \ × whole
= \frac{percent}{100} \ × 1.25 ⇒
1.75 = \frac{percent \ × \ 1.25}{100} ⇒
175 = percent × \ 1.25 ⇒
percent = \frac{175}{1.25} = 140

10- Choice A is correct

The correct answer is 10\%
Let x be the amount of students in the class.
40\% of x = girls
25\% of girls = tennis player
Find 25\% of 40\%. Then:
25\% of 40\%=0.25 \ × \ 0.40=0.10=10\%

11- Choice B is correct

The correct answer is 28
Write the numbers in order:
2, \ 19, \ 28, \ 28, \ 35, \ 44, \ 67
Since we have 7 numbers (7 is odd), then the median is the number in the middle, which is 28.

12- Choice C is correct

The correct answer is 60000
Three times of 24,000 is 72,000.
One sixth of them cancelled their tickets.
One sixth of 72,000 equals 12,000 (1/6 \ × \ 72000 = 12000).
60,000 (72000 \ – \ 12000 = 60000) fans are attending this week

 

13- Choice A is correct

The correct answer is 7
Write the ratio and solve for x.
\frac{45}{40} =\frac{2 \ x \ + \ 4}{16} ⇒
40 \ (2 \ x \ + \ 4)=45 \ × \ 16 ⇒ x=7

 

14- Choice B is correct

The correct answer is 8 \ (4 \ − \ x)=96
Only option B is correct. Other options don’t work in the equation.
8 \ (4 \ - \ (- \ 8))=96

15- Choice A is correct

The correct answer is 8
Let x be the number of balls. Then:
\frac{1}{3} \ x \ + \ \frac{1}{6} \ x \ + \ \frac{1}{4} \ x \ + \ 12 = x
(\frac{1}{3} \ + \ \frac{1}{6} \ + \ \frac{1}{4}) \ x \ + \ 12 = x
(\frac{9}{12}) \ x + 12 = x
x = 48
In the bag of small balls \frac{1}{6} are white, then: \frac{48}{6} = 8
There are 8 white balls in the bag.

16- Choice B is correct

The correct answer is 50
Use the information provided in the question to draw the shape.
Use Pythagorean Theorem: a^2 \ + \ b^2 = c^2
40^2 \ + \ 30^2 = c^2 ⇒
1600 \ + \ 900 = c^2 ⇒
2500 = c^2 ⇒
c = 50

17- Choice B is correct

The correct answer is 15\%
The question is this:
530.40 is what percent of 624?
Use percent formula:
part = \frac{percent}{100} \ × whole
530.40 =\frac{ percent}{100} \ × 624 ⇒
530.40 = \frac{percent \ × \ 624}{100} ⇒
53040 = percent × \ 624 ⇒
percent = \frac{53040}{624 }= 85
530.40 is 85\% of 624.
Therefore, the discount is: 100\% \ – \ 85\% = 15\%

18- Choice B is correct

The correct answer is 15
If the score of Mia was 60, then the score of Ava is 30.
Since, the score of Emma was half as that of Ava, therefore, the score of Emma is 15.

19- Choice D is correct

The correct answer is \frac{17}{18}
If 17 balls are removed from the bag at random, there will be one ball in the bag.
The probability of choosing a brown ball is 1 out of 18.
Therefore, the probability of not choosing a brown ball is 17 out of 18 and the probability of having not a brown ball after removing 17 balls is the same.

 

20- Choice C is correct

The correct answer is 7.32
The weight of 12.2 meters of this rope is: 12.2 \ × \ 600 g = 7320 g
1 kg = 1000 g, therefore, 7320 g ÷ \ 1000 = 7.32 kg

21- Choice C is correct

The correct answer is 600 ml
4\% of the volume of the solution is alcohol.
Let x be the volume of the solution.
Then: 4\% of x = 24 ml
0.04 \ x = 24 ⇒
x = 24 \ ÷ \ 0.04 = 600

22- Choice C is correct

The correct answer is 400
Let x be the original price.
If the price of a laptop is decreased by 10\% to $360, then:
90\% of x=360 ⇒
0.90 \ x=360 ⇒
x=360 \ ÷ \ 0.90=400

23- Choice B is correct

The correct answer is 9
Write the numbers in order:
4, \ 5, \ 8, \ 9, \ 13, \ 15, \ 18
Since we have 7 numbers (7 is odd), then the median is the number in the middle, which is 9.

 

24- Choice A is correct

The correct answer is $300
Let L be the price of laptop and C be the price of computer.
3 \ (L) =5 \ (C) and L = $200 \ + \ C
Therefore, 3 \ ($200 \ + \ C) =5 \ C ⇒
$600 \ + \ 3C = 5C ⇒
C=$300

25- Choice C is correct

The correct answer is 97.6
Use the area of square formula.
S = a^2 ⇒ 595.36 = a^2 ⇒ a = 24.4
One side of the square is 24.4 feet.
Use the perimeter of square formula.
P = 4 \ a ⇒ P = 4(24.4) ⇒ P = 97.6

26- Choice C is correct

The correct answer is 6 hours
The distance between Jason and Joe is 9 miles.
Jason running at 5.5 miles per hour and Joe is running at the speed of 7 miles per hour.
Therefore, every hour the distance is 1.5 miles less.
9 \ ÷ \ 1.5 = 6

 

27- Choice D is correct

The correct answer is 80\%
The failing rate is 11 out of 55 = \frac{11}{55}
Change the fraction to percent:
\frac{11}{55} \ × \ 100\%=20\%
20 percent of students failed.
Therefore, 80 percent of students passed the exam.

28- Choice C is correct

The correct answer is 60
Jason needs an 75\% average to pass for five exams.
Therefore, the sum of 5 exams must be at least 5 \ × \ 75 = 375
The sum of 4 exams is:
68 \ + \ 72 \ + \ 85 \ + \ 90 = 315.
The minimum score Jason can earn on his fifth and final test to pass is:
375 \ – \ 315 = 60

29- Choice B is correct

The correct answer is 840
Use simple interest formula:
I = prt
(I = interest, p = principal, r = rate, t = time)
I=(12000) \ (0.035) \ (2)=840

30- Choice D is correct

The correct answer is 44
Let x be the integer. Then:
2 \ x \ – \ 5 = 83
Add 5 both sides: 2 \ x = 88
Divide both sides by 2: \ x = 44

 

31- Choice B is correct

The correct answer is (- \ 1, \ 3)
Input the points instead of x and y in the formula.
Only option B works in the equation.
4 \ x \ + \ 6 \ y=14
4 \ (– \ 1) \ + \ 6 \ (3) =14

32- Choice C is correct

The correct answer is 90
To find the number of possible outfit combinations, multiply number of options for each factor:
6 \ × \ 3 \ ×\ 5 = 90

33- Choice B is correct

The correct answer is 30
The sum of supplement angles is 180.
Let x be that angle. Therefore,
x \ + \ 5 \ x = 180
6 \ x = 180, divide both sides by 6: \ x = 30

34- Choice C is correct

The correct answer is 5 : 9
The average speed of John is: 150 \ ÷ \ 6 = 25 km
The average speed of Alice is: 180 \ ÷ \ 4 = 45 km
Write the ratio and simplify.
25: 45 ⇒ 5: 9

 

35- Choice C is correct

The correct answer is 210
Let x be the number of soft drinks for 252 guests.
It’s needed to have a proportional ratio to find x.
\frac{10 \ soft \ drinks}{12 \ guests} = \frac{x}{252 \ guests}
x = \frac{252 \ × \ 10}{12 }⇒x=210

36- Choice B is correct

The correct answer is $23.8
Let x be the number of cans.
Write a proportion and solve for x.
\frac{5 \ cans}{$3.40) }= \frac{35 \ cans}{x}
x =\frac{3.40\ × \ 35}{5} ⇒x=$23.8

37- Choice B is correct

The correct answer is 5
x\% of 24 is 1.2, then:
x\% 24 =1.2 ⇒
0.24 \ x=1.2 ⇒
x=1.2 \ ÷ \ 0.24=5

 

38- Choice C is correct

The correct answer is Mathematics
Compare each score:
In Algebra Joe scored 20 out of 25 in Algebra that it means 80\% of total mark.
\frac{20}{25} = \frac{x}{100} ⇒x= 80
Joe scored 30 out of 40 in science that it means 75\% of total mark.
\frac{30}{40} = \frac{x}{100} ⇒x= 75
Joe scored 68 out of 80 in mathematic that it means 85\% of total mark.
\frac{68}{80} = \frac{x}{100} ⇒x= 85
Therefore, his score in mathematic is higher than his other scores.

39- Choice C is correct

The correct answer is 480 m^3
Use the volume of square pyramid formula.
V= \frac{1}{3} \ a^2 \ h ⇒
V= \frac{1}{3} \ (12 m)^2 \ × \ 10 m ⇒ V= 480 m^3

39- Choice C is correct

The correct answer is 480 m^3
Use the volume of square pyramid formula.
V= \frac{1}{3} \ a^2 \ h ⇒
V= \frac{1}{3} \ (12 m)^2 \ × \ 10 m ⇒ V= 480 m^3

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