Integers &
Rational Numbers
Rational Numbers
Evaluate the expression:
-4 - 8
-12
Simplify the expression:
5w + 2 + 3w - 8
8w - 6
Write the ratio as a fraction in simplest form:
30 cars to 18 trucks
5/3
Write the percent as a decimal:
9%
0.09
A circle has a radius of 4 cm. What is the circumference?
8pi cm
Evaluate the expression:
-2 x (-9)
18
Solve the equation:
x + 4 = -15
x = -19
Find the unit rate:
160 miles in 5 hours
32 miles per hour
12 is 60% of what number?
20
What do you call a pair of angles whose sum is 180 degrees?
Supplementary
Write the decimal as a fraction in simplest form:
0.86
43/50
Solve the equation:
3y - 7 = 14
y = 7
Tell whether the rates form a proportion:
$15 for 4 sandwiches, $22.50 for 6 sandwiches
Yes, they form a proportion.
The original price of a lamp is $36. The store offers a 20% discount on all items. What is the sale price of the lamp?
$28.80
What do you call a triangle with three congruent angles and three congruent sides?
Equiangular, Equilateral
Evaluate the expression:
-3/4 + (-7/8)
-13/8 or -1 5/8
Solve the inequality:
m - 10 < -4
m < 6
Solve the proportion.
6/8 = x/28
x = 21
An account earns simple interest. If the principal is $600, the annual interest rate is 2%, and the time is 4 years, what is the simple interest?
$48
The three angles of a triangle are 90 degrees, 37 degrees, and x degrees. Find the value of x.
x = 53
Evaluate the expression:
4.5 x (-1.2)
-5.4
Solve the inequality:
-2n + 3 > 5
n < -1
At the store, it costs $64 to buy 4 candles. How much does it cost to buy 5 candles?
$80
You randomly choose a letter from the word SUMMER:
What is the probability that you will choose an M?
1/3
The four angles in a quadrilateral are 70 degrees, 106 degrees, 118 degrees, and x degrees. Find the value of x.
x = 66