7th grade math test
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Name ____________________ Date:___________________
Solve the following problems
1.
a. 3
^{6} × 3
^{-14} =
A. 3
^{20} B. 3
^{14} C. 3
^{-8} D. 3
^{8}
2.
|8 - 3| - | 5 - 12| =
A. -2
B. 2
C. 0
D. 5
3.
a. 200000000000 in scientific notation is
A. 2 × 10
^{-11} B. 2 × 3
^{11} C. 2 × 10
^{12} D. 2 × 10
^{11}
b. 4 × 10
^{-6} in standard notation is
A. 0.004
B. 0.000042
C. 0.000004
D. 0.00004
4.
a. Which number is irrational?
A. √(49)
B. 1/3
C. √(6)
D. 0
b. If x = 4, 6 √(x) = ___________
5.
a. Which property is illustrated below?
x × ( 2 + 5) = x × 2 + x × 5
A. commutative property of addition
B. Distributive property
C. Distributive property of multiplication
D. Multiplicative inverse
b. (122 + x)× 1 = 122 + x is an example of
A. Identity property
B. Distribtive property of multiplication
C. Identity property of addition
D. Identity property of multiplication
6.
You buy a computer for 500 USD. There is a 20% discount and a 6% sales tax. How much money to you pay? ___________
7.
If x = 2 and y = 5, the value of x
^{2}y + 4x =
A. 28
B. -5
C. 20
D. 62
8.
Graph (2, 6) and ( -1, 0) on the coordinate system and find the slope using m = rise / run
9. Throw a coin twice.
a. Show all different outcomes
b. What is the probability of getting heads twice? ____________
10.
Find the inequality below and then solve it ____________
x + 5 = 2
2 + 0 = 2
3x + 2 > 11
4x + 9
11.
David buys a computer that cost 288 dollars. The manager decided to deduct one-fourth ( 1/4 ) of the sales price
Which expression is an approximation of what David pays after the deduction?
A. 300 × 0.25
B. 300 × 0.025
C. 300 - 300 × 0.25
D. 300 + 300 × 0.25
12.
Simplify ( 2
^{5} × 4
^{10} × 6
^{5}) / ( 2
^{3} × 4
^{10} × 6
^{6})
A. 4/8
B. 1/3
C. 1
D. 2/3
13.
Find the length of x ________________
14.
Put the following equation in slope-intercept form. Then identify the slope and they-intercept
5 + y = 4x
Slope-intercept form _________________
Slope _______________
y-intercept _______________
15.
x% of 120 is 36. What is x? ______________
16.
What is the measure of angle x? _________
17.
A box has the following dimenssions
length = 6 cm, width = 8 cm, and height = 3 cm
The volume and surface area are :
A. V = 144 cm
^{3} and SA = 180 cm
^{2} B. V = 144 cm
^{3} and SA = 110 cm
^{2} C. V = 120 cm
^{3} and SA = 180 cm
^{2} D. V = 164 cm
^{3} and SA = 174 cm
^{2}
18. Solve for x.
-4x + 5 = 29
19.
If you car can take you 85 miles away with 5 gallons of gas. How many gallons do you need to go 2035 miles away?
20.
The sum of two consecutive even numbers is 42. What are the two numbers? ( Hint: Let the numbers be 2n and 2n +2)
Note: A score of 16 or more on this 7th grade math test is a good indication that most skills taught in 7th grade were mastered
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