The Real Number System
Simplify
Solve the Equation
Measure of Central Tendency
Find the Missing Number or Better Buy
100
Which number is NOT a rational number? a.) 0.01 b.) 7/8 c.) -0.625 d.) 0.1234567...
d.) 0.1234567...
100
w+3-4w-2
1-3w
100
x-5=20
25
100
Find the mode. 100,112,111,100,111,110
100 and 111
100
If Morgan made a 65, 72, and 93 on her last three test, what does she need to make on her next test to get an average of 80?
90
200
2.12112122111...
Irrational
200
1/2 + 5/8
9/8 or 1 1/8
200
1/2 + x = 2/3
1/6
200
Which measure of central tendency best describes this situation: the favorite sport among the eighth grade class? Explain.
Mode; The data are not numerical.
200
Which is the better buy? a.) 8 oz. for $1.99 b.) 12 oz. for $2.90
b.) 12 oz. for 2.90
300
0
WZQ
300
8(y+1)-4
8y+4
300
-10=x-(-5)
-15
300
Which measure of central tendency changes when 25 is removed from the data list? 4,4,12,25,38,60,66
Mean
300
100, 100, 97, 99, 100, ____ for an average of 100
104
400
They are the whole numbers and their opposites.
Integer
400
5x+3(2x-6)+20
11x+2
400
106-x=43 x={-63, 149, 63, 59}
63
400
Which data set has the greatest range? What is the range? {-15,-2,0,-6}
15
400
Which is the better buy? a.) a pack of gum with 5 pieces for $.25 b.) a pack of gum with 25 pieces for $1.00
b.) a pack of gum with 25 pieces for $1.00
500
These numbers that can be written as a quotient of two integers, a/b, where b is not zero.
Rational Number
500
5 1/6 - 3 5/12
1 3/4
500
y+2 1/5 = -3 2/5
-5 3/5
500
Johnny scored 10, 15, 11, and 17 points during his last basketball game. If he wants his median score to stay the same, how many points does he need to schore in the next game?
13
500
The smith family must drive an average of 235 miles per day to complete their vacation. On the first four days they travel 275 miles, 300 miles, 200 miles, and 300 miles. How many miles must they travel the fifthday in order to finish their vacation on time?
100 miles