Grade 8 - Algebra Pre-Post-Test 1
Algebra Test
8th Grade
Name ____________________________________
Teacher ___________________________________
Date _________________________
Please choose the best answer to each question.
1, 9, 25, 49, 81, ...
1. The same rule is applied to each number in the pattern above. What is the 6th number in the
pattern?
A) 40
B) 100
C) 121
D) 144
E) 169
2.
Grade 8 - Algebra Pre-Post-Test 2
Exercise Time
(minutes)
Total
Calories
Burned
10
37
12
42
14
49
16
58
18
64
20
70
3. Which of the following graphs best illustrates the relationship between exercise time and
total calories burned, as shown in the table above?
A)
B)
C)
D)
E)
Grade 8 - Algebra Pre-Post-Test 3
4. For a science project, Marsha made the scatterplot above that gives the test scores for the
students in her math class and the corresponding average number of fish meals per month.
According to the scatterplot, what is the relationship between test scores and the average
number of fish meals per month?
A) There appears to be no relationship.
B) Students who eat fish more often score higher on tests.
C) Students who eat fish more often score lower on tests.
D) Students who eat fish 4-6 times per month score higher on tests than those who do not
eat fish that often.
E) Students who eat fish 7 times per month score lower on tests than those who do not eat
fish that often.
Grade 8 - Algebra Pre-Post-Test 4
5. On the curve above, what is the best estimate of the value of x when y = 0?
A)
B)
C)
D)
E)
1.1
1.4
1.7
1.9
Grade 8 - Algebra Pre-Post-Test 5
6. According to the graph above, how many times did the yearly increase of the price of a
hamburger exceed 10 cents?
A) None
B) One
C) Two
D) Three
E) Four
7. How many integers are there between
A) Three
B) Four
C) Five
D) Six
E) Seven
and
?
Grade 8 - Algebra Pre-Post-Test 6
8. Find the missing numbers in this addition growth sequence.
____, ____, ____, 17, 21, 25, ____, ____, ____; growth number is 4.
A) 5, 9, 13, … , 29, 33, 37
B) 5, 9, 13, … , 21, 17, 13
C) 5, 9, 13, … , 30, 34, 38
D) 1, 4, 16, … , 100, 400, 1600
9. Find the missing numbers in this multiplication growth sequence.
____, ____, ____, 4.2, 8.4, 16.8, ____, ____, ____; growth number is 2.
A) 3.36, 16.8, 8.4, … , 33.6, 67.2, 134.4
B) 0.5, 1, 2, … , 33.6, 67.2, 134.4
C) 0.525, 1.05, 2.1, … , 33.6, 67.2, 134.4
D) 0.525, 1.05, 2.1, … , 18.8, 20.8, 22.8
10. Use a guess-and-check method to find each growth number. Keep track of your
guesses for each growth number and the goals they reach.
a number by which you can multiply 7 four times to reach a final goal of 20.
7     20
x
x
x x
A) 3.250
B) 1.350
C) 3.000
D) 1.300
Grade 8 - Algebra Pre-Post-Test 7
11. Use a guess-and-check method to find the growth number for this addition sequence.
Then find the missing numbers.
____, 3, ____, _____, _____, 8, ____
A) 1.25; 2.4, 3.75, 4.6875, 5.859375, 10
B) 2; 1, 5, 7, 9, 10
C) 1.25; 1.75, 4.25, 5.5, 6.75, 9.25
D) 2, 0, 5, 7, 9, 10
12. Find the one-step growth number and the missing numbers for this multiplication
sequence.
____, ____, 40, 100, ____, ____
A) 2.5; 6.4, 16, … , 250, 625
B) 2.5; 35, 37.5, … , 102.5, 105
C) 60; -80, -20, … , 160, 220
D) 2; 10, 20, … , 200, 400
13. Find the two-step growth number and the missing numbers for this addition sequence.
4.5, ____, 9.2, ____
A) 2.35; 6.85, … , 11.55, 13.9
B) 2.35; 10.575, … , 21.62
C) 2; 9, 18.4
D) None of the above
Grade 8 - Algebra Pre-Post-Test 8
14. For the below addition sequence, first find Term 3. Then find Terms 2 and 4.
51, ____, ____, ____, 17
A) 40, 29, 18
B) 42.5, 34, 25.5
C) 16.3, 34.7, 16.7
D) None of the above
15. An addition sequence has a first term of 31 and a growth number of 5. How many
growth numbers would you add to 31 to get the 500th term? What is the 500th term?
A) 5; 2,526
B) 499; 3,647
C) 499; 500
D) 499; 2,526
16. Find the 5th, 8th, and 12th terms of a sequence if the nth term is 13 + 3 (n – 1)
A) 94; 6,.574; 177,160
B) 25; 34; 46
C) 28; 37; 49
D) 31; 40; 52
Grade 8 - Algebra Pre-Post-Test 9
Use the table to answer questions 17-18.
China
Poland
Rwanda
1950 Population
(millions)
533
25
2
1990 Population
(millions)
1,139
38
7
Area
(thousands of km2)
9,597
323
26
17. Rank the countries from fastest to slowest population growth.
A) China, Rwanda, Poland
B) China, Poland, Rwanda
C) Rwanda, China, Poland
D) Rwanda, Poland, China
18. Find each country’s 1990 population density in people per square km.
A) people per square km: China, 118.7; Poland, 117.6; Rwanda, 269.2
B) people per square km: China, 117.6; Poland, 118.7; Rwanda, 269.2
C) people per square km: China, 117.6; Poland, 269.2; Rwanda, 118.7
D) None of the above
Grade 8 - Algebra Pre-Post-Test 10
Use the below table for questions 19-20.
Population of Colombia (in millions)
Year
Actual Data
Addition Model
Multiplication Model
1950 1960
11
15
11
11
1970
21
1980
27
1990
33
33
33
2000
2010
19. Which model fits the actual data better?
A) Addition model seems to be a slightly better fit as its discrepancy is smaller
B) Multiplication model seems to be a slightly better fit as its discrepancy is smaller
C) Division model seems to be a slightly better fit as its discrepancy is smaller
D) Subtraction model seems to be a slightly better fit as its discrepancy is smaller
20. Make a forecast for the population of Colombia in 2010.
A) Based on the addition model, a forecast for population in 2010 is 40 million
B) Based on the multiplication model, a forecast for population in 2010 is 50 million
C) Based on the multiplication model, a forecast for population in 2010 is 60 million
D) Based on the addition model, a forecast