Integers
Rational Numbers
Expressions and Equations
Inequalities
Ratios, Rates, and Proportions
100
One fish is 4 feet below sea level, another is 3 feet below sea level. Write each position as an integer. Which integer is greater?
-4 and -3
-3 is greater
100
Write the rational number as a decimal.
-1 3/5
-1.6
100
Simplify the expression:
6-2(3a-4)
-6a+14
100
Write an inequality to represent the sentence:
Twice a number x is at most -24
2x<=-24
100
Find the unit rate:
72 ounces for 12 servings
6 ounces per serving
200
You start hiking at an elevation that is 80 meters below base camp. You increase your elevation by 42 meters. What is the new elevation with respect to base camp?
-38 meters
200
Write the decimal as fraction or mixed number.
-3.75
-3 3/4
200
Solve the equation for x:
x/3 -(-6)=-2
x = -24
200
Solve and graph:
y+3<4
y< 1
200
You can buy 5 stickers for $3. Write a proportion that gives the cost c if you buy 12 stickers.
5/3=12/c
3/5=c/12
5/12=3/c
12/5=c/3
300
The temperature falls from 3 degrees C to -4 degrees C. What is the difference in these temperatures?
7 degrees
300
Solve. Write fractions in simplest form.
-8 3/8 +6 1/4
-2 1/8
300
Solve the equation for d:
3d-8=13
d=7
300
Solve and graph:
-18 >z/3
z< -54
300
Tell whether x and y show direct variation or not.
Direct variation
400
Evaluate the expression when r = -7, s = 2.
abs((r +1)/s
3
400
Solve. Write fractions in simplest form.
-3 3/5 /2 7/10
-1 1/3
400
Write the equation in numerical form and solve.
Twelve more than two thirds of a number is 10.
2/3x+12=10
x=-3
400
Solve and graph:
5x+7 <=32
x <=5
400
Tell whether x and y show direct variation or not.
y+x=7
No
500
Find the next two numbers in the pattern.
6, -12, 24, -48, ...
96, -192
500
Your class is holding a fundraiser for a local charity. After the first week, your classes raised 1/8 of your goal. After the second week, your class raised a total of 3/5 of your goal. What fraction of the goal was raised during the second week of the fundraiser?
19/40
of the goal
500
Write an equation for the word problem and solve.
You have 3 times as many pencils as your friend. If you have 21 pencils, how many pencils does your friend have?
3p=21
p=7 pencils
500
Solve and graph:
4(w-6)<-12
w<3
500
What does a graph of constant of proportionality look like?
A line that goes through the origin or (0,0)