7th grade math test
Name _____________________ Date:_____________________
Solve the following problems
1.
a. 36 × 3-14 =
A. 320 B. 314 C. 3-8 D. 38
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 × 311 C. 2 × 1012 D. 2 × 1011
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 √(25) = ___________
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. Distributive 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 x2y + 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 ( 25 × 410 × 65) / ( 23 × 410 × 66)
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 cm3 and SA = 180 cm2 B. V = 144 cm3 and SA = 110 cm2 C. V = 120 cm3 and SA = 180 cm2 D. V = 144 cm3 and SA = 180 cm2
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)
