# Online Update 10/7/10  ```Online Update 10/7/10
LOG EACH Activity….Write out Chapter and Lesson number :)
SHOW WORK WHERE NECESSARY 
Go to :
http://go.hrw.com/hrw.nd/gohrw_rls1/pKeywordResults?keyword
=mr4%20hwhelp
Click on Chapter 1…..GO thru Independent Practice &amp; Practice
and Problem Solving
for each Lesson in Chapter 1. If you need EXTRA HELP or PRACTICE
on a LESSON,
Go thru the Guided Practice too.
FINISH ALL LESSONS in CHAPTER 1…..REPEAT for CHAPTER
2….etc 
WEEKLY REVIEW 
KNOW what a reciprocal is. Know what MODE, MEDIAN and MEAN
mean. Know how to find each of them.
Using the expression 3x – 6, identify :
1) What is the coefficient?
2) What is the constant? IT IS NOT 6!! 
3) What is the variable?
4) Solve 2x = 0
For 5 -12 solve each expression using a = 0.1 , b = 0.2, c = 0.3, d = 0.4
5) abcd
8) b &divide; d
11) d cubed =
6) a + b + c + d
9) b – a + c + d
7) d &divide; b
10) dc &divide; ab
12) d - c + ab
For 13-14 solve each algebraic expression. Use x = 4, y = 5.
13) 2x2 – xy
14) (2x)2 – 2y2
For 15-17, use the distributive property to simplify.
15) 4(2 + 5)
16) 7(x + 3)
17) (6 + x)3
18) Which property is illustrated by the following statement?
13  12 = 12  13
A. Associative
B. Commutative
C. Identity
D. Distributive
19) Complete:
89,500 mL = ___ L
A. 89,500,000
B. 8.95
C. 895
D. 89.5
20) Write in scientific notation:
1,500,000
A.
1.5  105
B.
1.5  106
C.
15  105
D.
150  103
21) Identify the type of sequence:
10, 12, 16, 22, …
A. arithmetic
B. geometric
C. neither
D. arithmetic and geometric
22) Complete:
830 cm = ___ m
A. 83,000
B. 8.3
C. 0.83
D. 830,000
23) Write in standard form:
7.16  105
A. 71,600
B. 716,000
C. 7,160,000
D. 71,600,000
24) Solve the equation mentally.
x – 12 = 30
A. 18
B. 6
C. 42
D. 15
25) Evaluate:
9x
if x = 6 and y = 3
2
y
A. 9
B. 27
C. 6
D. 4.5
26) Solve the equation mentally.
x
 15
3
A. 5
B. 45
C. 18
D. 12
27) Which property is illustrated by the following statement?
91=9
A. Identity
B. Associative
C. Distributive
D. Commutative
28) Use the Distributive Property to write 3(9 + 2) as an equivalent
expression. Then evaluate the expression.
A. 3(11); 33
B. (9 + 2); 30
C. 3(9) + 3(2); 30
D. 3(9) + 3(2); 33
29) Find the reciprocal of 3/5.
30) Solve 0.5 + 0.5 &divide; 0.5 + 0.5 • 0.5
31) The frequency table shows the number of minutes
per day that a group of people exercises.
Daily Exercise
(min)
Tally
Frequency
0-14
|||
3
15-29
||||
5
30-44
||||| ||
7
45-59
||||
5
How many minutes do the most people exercise per day?
A. 37 min
C. 30-44 min
B. 0-59 min
D. 30 min
32) The frequency table shows the number of minutes
per day that a group of people exercises.
Daily Exercise
(min)
Tally
Frequency
0-14
|||
3
15-29
||||
5
30-44
||||| ||
7
45-59
||||
5
How many people exercise less than 30 minutes per day?
A. 8
B. 12
C. 15
D. 59
33) The line plot shows the prices for different brands of sunglasses.
&times;
&times;
&times;
&times;
&times;
&times; &times;
&times; &times; &times; &times; &times;
&times; &times; &times; &times; &times; &times;
&times; &times; &times; &times; &times; &times;
20 30 40 50 60
70 80 90 100 110 120 130
What is the mode?
A. \$60
C. \$100
&times;
B. \$80
D. \$130
34) The following data are ages of children at a park:
6, 7, 9, 8, 4, 5, 8, 9, 6, 8
Find the mean.
A. 7
B. 7.5
C. 8
D. 6
When done…Choose among the following activities….