Document 277310

Date Time
Answers times in one minute.
vary.
2. While reading, a typical student in my class blinks Answers times in one minute.
vary.
1. While at rest, a typical student in my class blinks
3. In Problems 1 and 2, what is meant by the pl1rase a typical student?
Sample answer: one that blinks about the
same number of times as most others
4. Calculate the mean for each set of data.
a. At rest: _ _ _ _ blinks per minute
b. While reading: _ _ _ _ blinks per minute
5. List as many examples of rates as you can.
6. Find at least 2 examples of rates in your Student Reference Book.
(Hint: Look at pages 271 and 299.)
Sample answers: There are 555 televisions per
1,000 people in Spain. There are 757 cars per
1,000 people in the United States.
309
Time
Date
Fill in the missing fractions on the number lines below.
1.
...
1
3
2.
...
I
3.
...
,
0
2
3
,
I
I
2
6
1
6
0
I
1
8
2
8
3
8
4
8
I
4
6
6
I
1
I
3
I
I
,
I
I
i
0
5
...
I
...
,
...
1
6
I
I
5
8
I
6
7
8
8
1
Fill in the missing decimals on the number lines below.
4.
...
,,
,
,
2
4
Try This
3
2.5
3.5 ...
i
~
"'"',!~""""~'1'~fk~~";""r~''''''''''''''''',-'';
5.
... ,
,
7
8
6.
...
7.25
7.50
7.75 ,
-2
310
-1.5
-1
- 0.5
o
0.5 ,
1
...
...
Date Time
2. Calculate the volume.
1.
a. Pick a face of the cube. How many other faces are parallel to it? 1
face(s)
5 in.
b. Pick an edge of the cube. How many
other edges are parallel to it?
3 edge(s)
a
3. Write A, P, or V to tell whether you would
need to find the area, perimeter, or volume in each situation. Number model:
p
b. Buying tile for a bathroom floor
c. Filling a pool with water
b.
A
_V_
<, >, or = to make a true 3
<
> -100
-43 _ _ -21
c. 68
d.
<
-15
~_>_-0.78
e. -13 1
2
5. For which number is 8 a factor? Fill in
in 3
sentence. a.
a. Finding the distance
around a circular track
240
Volume =
4. Insert
_(5_*_8-,-)_*_6__2_4_0
<
-13
. 6. Round each number to the nearest
the circle next to the best answer.
hundredth.
®
253
a. 12.368 @
94 b. 234.989
•
120 c. 1.225
@
884 d.
12.304
e. 0.550
12.37
234.99
1.23
12.30
0.55
311
Date Time
.l!lJ
For each problem, fill in the rate table. Then answer the question below the table.
1. Bill's new car can travel about 35 miles on 1 gallon of gasoline.
Gasoline mileage: 35 miles per gallon
Miles
Gallons
70 105 140 175 210 245 280
35
1
2
3
4
5
6
At this rate, about how far can the car travel on 7 gallons of gas?
7
245
8
miles
2. Jennifer earns $8 for every 4 hours she helps out around the house.
Earnings: $8 in 4 hours
Dollars
2
Hours
1
I
4
6
2
3
10 12 14 16
4
5
At this rate, how much money does Jennifer earn per hour?
6
7
8
2.00
A gray whale's heart beats 24 times in 3 minutes.
ray whale's heart rate: 24 beats in 3 minutes
1
Heartbeats
8
Minutes
1
16 2'+1 32 40 48 56 64
2
3
4
5
6
At this rate, how many times does a gray whale's heart beat in 2 minutes?
7
_1_6_ _ times
4. Ms. Romero paid $1.80 for 3 pounds of grapes.
Cost of grapes: 3 pounds for $1.80
. Pounds
1
2
3
4
5
Dollars
At this rate, how much do 5 pounds of grapes cost? $
312
3.00
6
8
7
Time
Date I~~ ~~~~~,~~~
/
! Dollars
2.50
5
1
2
1
! Yards
"'-,~~~~~.~.",~.~,.~~........•.~
..~'..
•..,.~
4
/5.00
~.,~~
17.50: 20
6
7
12
1~
4
2
12
14
16
5
'
At this rate, how much will
6. Alden bought
10 12.5
.
7~ yards of fabric cost? 18.75
~ of a pound of cheese for $6.
Cost of cheese:
~ of a pound for $6
Pounds
1
4
1
2
3
4
1
12
• Dollars
2
4
6
8
10
At this rate, how much will 1! pounds cost? $
4
2
..
.
10.00
7. The Jefferson family plans to sit down to Thanksgiving dinner at 6:00 P.M. They have
an 18·pound turkey. The turkey needs to cook about 20 minutes per pound.
a. At what time should the turkey go in the oven?
_1_2_n_o_o_n_
b. Explain what you did to solve the problem.
Sample answer: The turkey will take a total of
18 * 20 = 360 minutes to cook. 360 / 60 == 6 hours.
I counted back 6 hours from 6:00. The turkey
should go in at noon. 313
Time
Date
1. a. Complete the table.
2. Complete.
,.;
!
. Number
of Pizzas
1
Number
I"~ of Servings
3
....'
2
6
! .
3
4
9
12
a. 3 gal
5
15
c.
0 ·75 L = 750 mL
d.
93
3. Find the solution of each open sentence.
+ 40 = -60
a. m
b.
55
+ q = 40
c. (-23)
d. p
+ s= 0
+ (-36) = -80
11
1
51 2 pt
c = 23 c
--------------------------~
4. Complete the name-collection box.
Sample answers:
-1 00
q=-=15
m=
_ _ _8_+0_1--~l
8 + 0.01
23
P = _-44
_ __
f
s
~
,.'
5. Fill in the blank with one of
the words below.
'"
.
--------------------------~
6. Calculate .
a. 10% of 460
impossible b.
unlikely 5% of 120
c. 40% of
likely nIike IY
that
Without looking, itis U
a B block will be pulled from the bag.
d.
e.
f.
314 mL
pt
e. 64 gal =
~
pizzas
5,000
5 L=
b. How many' pizzas are
needed for 279 servings?
qt
b.
.....
..,.".
12
=
30
50
38
10
46
6
=4
% of 20 = 6
% of 92 = 46
% of 150 = 57
~
Time
Date .;,...,......_M_ath Boxes
~, .~_ ,
".
.; ,
volume.
2. Calculate the
[LJJ
--
1. ~
I
I
---~--t,
,,
,
,
:
,,
a. Pick a face of the cube. How many
other faces are perpendicular to it?
4
face(s)
9n
,,0m
m
Number model: (5 * 1) * 9 =
'­
1
b. Pick an edge of the cube. How many
other edges are perpendicular
. 4 edge(s)
~:
94 101
to It?
3. Write A, P, or V to tell whether you would
need to find the area, perimeter, or volume
in each situation.
A
~
45
<, >, or
to make a true number
sentence.
c.
> -$3
-$7 < -$2
$18 > -$11
d.
$61.50
b.
_P_
c. Buying dirt for a potted plant
4. Insert
=
a. $8
a. Buying paint for
a bedroom ceiling _ _
b. Buying a wedding ring
Volume
45
V
~
'131 13~
>
e. -$203.90
$67.85
<
$320.10
d
b,137
5. Name all the factors of each number.
a. 55
b.
32
1, 5, 11, 55
1, 2, 4, 8, 16, 32
6. Round each number to the nearest
hundredth.
a. 0.123
b. 4.568
c. 96
1, 2, 3, 4, 6, 8, 12,
16,24,32,48,96
c. 6.155
d.
9.780
e. 0.006
0.12
4.57
6.16
9.78
0.01
~1~3
182
315
Time
Date
Math Message
It is estimated that the average lifetime of a person living in the United States is about 75 years.
2_7--",_3_7_5__ days
About how many days are there in an average lifetime? __
About how many hours is that?
657,000
hours
Sample answers:
Use the data from the above Math Message to help you answer the following questi0ns:
1. It is estimated that a person sleeps about
214,000 hours in an average lifetime.
8_ hours per day
a. At that rate, about how many hours per day does a person sleep? _ _
b. Show or explain how you got your answer.
214,000 hours is about ~ of an average lifetime, and ~
of 24 hours is 8 hours.
c. Does this number make sense to you? Explain.
Yes,
becau~e
I sleep about 8 hours per night.
2. It is estimated that in an average lifetime a person watches about
105,000 hours of TV.
a. At that rate, about how many hours per day does a person watch TV?
3.8
hours per day
b. Show or explain how you got your answer.
105,000 hours
+ 27,375 days in 75 years = 3.8 hours per day.
c. Does this number make sense to you? Explain.
Yes. I don't watch that much TV. Some people watch
more. It balances out.
316
Time
Date 3. It is estimated that in an average lifetime a person laughs about 540,000 times.
a. At that rate, about how many times per day does a person laugh?
20 tim~s per day
b. Show or explain how you got your answer.
Sample answer: I divided the number of laughs
(540,000) by the number of days in a lifetime (27,375).
540,000 -;- 27,375 == 19.7. Then I rounded up to 20.
c. Does this number make sense to you? Explain.
Sample answer: Yes. While I laugh way more than
20 ti l11 es a day, thereC::!re people who dOQ't laugh at all.
So we balance each other out.
4. It is estimated that in an average lifetime, a person takes about 95,000,000 breaths. Does this
number make sense to you? Explain.
Sample answer: No. This is only about 145 breaths
per hour, which is less than 3 breaths per
111.~in_u_te_._ _
Try This
5. Write your own problem. Ask a partner to decide whether or not the numbers in your problem
make sense.
Answers va
-
........
-------­
317
Date
Time
Be Line~raph
.
Use the data in the table below to create a line graph showing how the total amount of
XBCIPltatilOn (rain and snow) changes from month to month in Ottawa, the capital of Canada.
se a straightedge to connect the points. Label each axis, and give the graph a title.
. Month
J
F
M
A
M
Precipitation
,(in mm)
51
50
57
65
77
"
..
-f-"-_~ 7~ -_-~-~.,~>, "~".;'-
•. --."-- -T--''''
I
J
J
A
S
0
N
D
84
87
88
84
75
81
73
-~-"- ~
Source: www.theweathernetwork.com/weatherlstats/pages/C01930.htm
Average Monthly Precipitation for Ottawa. Canada
90 88 86 84 82 I--·L.80 78 76 74 72 70 ,
68 66 ,..--- f ....
64 _.... _+62
60 58 56
54
52 50 48 46 44 42 40 I--j
0
....... ctS
:!::::
--c.>
Q)
"'­
c..
:
...
.. _.
!
J
...
f
:
i
. / ' ""'"
/
,..
L
/
i
"'
"\.
'\.
~
L'\.
'\.
'\. /'
/
'\.
It
--j--
......
:l
I
j!
.,/
/
/
/
/i
i
I
.......-..
I
i
i
•
!
i
i
i
I
i
i
I
!
I
,
[
..
:
:
J
j
i
:
Feb
Mar
- .......... o '
I
:
I
:
,
:
Apr
May
Jun
:
Jul
Aug
i
:
:
i
Sep
Oct
Month
Try This
2. In Ottawa, Canada, it rains or snows
mm during a typical month.
Sample answers: 76 (median); 72.67 (mean)
318
'\..
('
I
/
:
/
•
.
/
i
:
Jan
""'-
~
i
!
.-.
"";=-
•
!
;
i
,
c:
,
I
;
[
Nov
Dec
Date
Time
Some publications ask their readers to test many different kinds of products. The results of the
tests are then published to help readers make wise buying decisions. One example is the former
Consumer Reports for Kids Online. It featured articles previously published in Zillions, a child's
version of Consumer Reports. In one test, 99 readers field tested several backpack models. The
readers considered fit, back friendliness, and comfort as they tried to decide which brand was
the best buy. In another test, a team of young people compared 40 brands of jeans in their search
for a brand that would not shrink in length.
When a reader wrote to complain about a board game she bought, the staff sent board
games to young people in every part of the country. Testers were asked to play each
game several times and then to report what they liked and disliked about the game.
Answers vary.
1. If you were testing a board game, what are some of the features you would look for?
2. When readers of the magazine tested backpacks, they considered fit, back friendliness, and
comfort in determining the best one. Which of these factors is the most important to you? Why?
3. What is a consumer? Be prepared to share your definition with the class.
319
Time
Date 1 pound (Ib)
= 16 ounces (oz)
2,000 pounds (lb)
1 ton (T)
Complete the conversions between ounces, pounds, and tons.
Write the information you needed to make the conversion.
2.
/ lb = / 6 oz
_---"8::.-=:0"--_ oz
1. 5 Ib
= 16 oz
1 Ib = 16 oz
1 T = 2,000 Ib
1 T = 2,000 Ib
1 Ib
2'1 Ib = ---=-_ _ oz 3. 1291b
2,064
=
4,000
4. 2 T =
5. 6
OZ Ib 12,500
1
4T
Ib 6. 112 oz =
_--=-7__ Ib 7. 20,000 Ib
=
8. 4,240 oz
9. 3,000 Ib
1
10. 14 Ib
=
=
10
T
265
Ib
11 =
20
1 Ib = 16
1T
= ~, 000 Ib
1 Ib
=
16
oz 1 T = 2,000 Ib
T
oz
oz
_~1 Ib
= 16 oz
Complete the table.
11.
319A
Ounces Pounds
Tons
160,000
10,000
5
304,000
19,000
9.5
16,000
1,000
2
1
Time
Date 12. Record measurement equivalents in the two-column tables below.
Sample answers:
b. / ----.-.-.--......­ ......
a.
Feet
Liters
Milliliters
1,000
2,000
3,000
4,000
5,000
1
12
1
2
24
36
48
60
2
3
4
5
3
4
5
Sample a.nswers:
..
c.
.--~
,
---.,---~
.....
Minutes
Seconds
1
60
120
180
240
300
2
3
4
5
-­
Find the equivalent measures.
6,000
13. a. 6 km
c. 6 yd
1
=
e. 5i kg
ft
5 1500
=
b. 2 L
m
d.
g
2,000
=
=
3,250
=
510
3.25 L
f. 8i 11r
mL
mL
min
g. What do you notice when you convert from a larger unit to a smaller unit (such as from L to mL)? Sample answer: You need to multiply to find the equivalent measure. 14. a.
4,000 g
c. 875 mL
=
e. 1,500 mL
4
kg
b.
0.875
L
d. 660 sec =
1.5
L
f.
200 cm
156 in.
=
2
m
_--=-1-=-1__ min
= _--,,-1-=-_ ft
g. What do you notice when you convert from a smaller unit to a larger unit (such as 'from mL to L)? Sampie answer: You need tQmgi"'=-=.id=-=e--C:t:..=.o_ _ _ _ __
fi nd the equi",ale.-=-:.n-=--t.: . .:. m-=-.=e=-=a.: .,.=s-=u:. :. .cre=-:._ _________
319B Time
Date Solve the unit price problems below. Complete the tables if it is helpful to do so.
1. A 12-ounce can of fruit juice costs 60 cents. The unit price is
$0.05
per ounce.
Dollars
0.05
0.15
0.30
0.60
Ounces
1
3
6
12
$0.29
2. A 4-pound bunch of bananas costs $1.16. The unit price is
0.29
0.58
0.87
1
2
3
3. A 5-pound bag of apples costs $1.90. The unit price is
. Dollars
per pound.
1.16
I
$0.38
4
per pound.
0.38
0.76
1.14
1.52
1.90
1
2
3
4
5
Pounds
4. Three pounds of salm~n cost $21.00.
a. The unit price is
~ 7 ·00
per pound.
b. What is the cost of 7 pounds of salmon?
c. What is the cost of
Dollars
Pounds
9~ pounds of salmon? 66. 50
7.00 14.00
1
$;9.00
2
21.00
3
28.00 49.00 66.50
4
7
Try This
5. Energy granola bars come in packages of 25 and cost $3.50 per package. Super granola bars
come in packages of 30 and cost $3.60 per package. Which is the better buy? Explain.
It depends. Super bars are $0.12 each, and Energy bars are
$0.14 each. So $I.!per bars are cheap~r per bar. However, an
Energy bar may be much larger than a Super bar.
320
Date
Time
2. Complete.
1. a. Complete the table.
Number
of Inches 36
72
324432
540
b.
Number
1
of Yards
2
9
12
15
b. How many inches are in 329 yards?
1 1 ,fJ~~nches
2fJ qt
fJ,OOO mL
8L
0.25 L 250 mL
6 gal 1
a. 7 ga.l
c.
d.
e.
=
3
1
qt
qt = 25 qt
pt = 14 c
~
3. Find the solution of each open sentence.
a. t+ 30 =
120
t=
b. 75
+ n = 20
n=
c. 16
+b=
b=
d. c
0
+ (-61) =
-97 c=
-150
-55
-16
-36
S. Add blocks to the bag so it is likely that
4. Which one of the names below is
name for 3.16? Fill in the circle next to
the best answer.
®
4.8 - 1.64
®
15.8/5
•
2.47
©
2.5
*6
+ 0.66
6. Calculate.
Arjan will pick a C block without looking.
52
5% of 180 = _9
__
40% of 10 =4
50 % of 30 = 15
a. 10% of 520
Sample answer:
jI.,
.I:.'l
~i
~I~[Q]
0~[QJ ~0lliJ® not a
b.
c.
d.
=
e.
~O
% of 35 = 14
f.
~O
% of 95 = 38
~
321
Date Time
Math Message
1. Use your calculator to divide. Write down what the calculator displays for each
quotient. Your teacher will tell you how to fill in the answer spaces for "cents."
a. $9.52 -:- 7
$_1_
b. $1.38 -:- 6 =
0
c. $0.92 -;-. 8 ­_ $0
_
.
~_______
2
3
or
136
=
0
1 _1 _
5 _____
1
7
cents
_ _ _ , or _2_3_ cents·
,or 11.5 cents
0 _
1 _
6 _
3 _
3 _
3 _
3 _
3 _
3_
33
$_.
_ , or about
d. $0.98 -;- 6
e. $1.61 -:- 9
3
8
8
~~~~
8
JL, or about
2. A package of 6 fruit bars costs $2.89. What is the price of 1 fruit bar?
3. A 15-ounce bottle of shampoo costs $3.89. What is the price per ounce?
16.3 cents
17.8 cents
48
26
cents
cents Brand A: a box of 16 crayons for 80 cents B: a box of 32 crayons of the same kind for $1.28
the box of 32
Why? The crayons in the box of 32 cost $0.04 each.
The crayons ill the box of 19 cost $0.05 each.
ich box is the better buy?
Try This
5. A store sells a 3-pound can of coffee for $7.98 and a 2-pound can of the same brand for $5.98.
You can use a coupon worth 70 cents toward the purchase of the 2-pound can. If you use the
coupon, which is the better buy, the 3-Round can or the 2-pound can? Explain your answer.
The 2-pound cao with the coupon ismthe better
deal. With the coupon, the price of the 2-pound
can is $5.28. So the price per pound is $2.64,
whereas the 3-pound can costs $2.66 per pound.
322
Time
Date
Write the amount of liquid shown in liters.
2.
1.
3.
)----- 3 L
)----- 3 L
1---
2L
)----- 2 L
)----- 2 L
1----1 L
1----1 L
1----1 L
1---
2.7
----'---"-'2=__ liters
0.900
liters
3L
liters
Shade each pitcher to show the appropriate amount in milliliters.
Then record the amount in liters.
4. 2,400 mL
= 2.4
L
5. 500 mL =
0.5
L
6. 1,950 mL =
1.95
L
)----- 3 L
1---2L
1----1 L
322A Time
Date Solve. You may draw pictures to help you. Maria Elena's store sells soup in various sized containers . ......
...
,
Size of Container
Amount
Price
Extra small
250mL
$1.50
Small
500 mL
$2.45
1L
$4.80
1.5 L
$6.25
2L
$8.50
Medium
Large
. Extra large
1. How much more soup does the extra large container hold than the extra small?
1.75 L, or 1,750 mL
2. Lucius bought 1 extra small, 1 medium, and 3 small
containers of soup. How many liters of soup did he buy?
_----'2~.7=--=5__ L
3. Kamu bought 3 large containers of soup. She needs 4,000 mL of soup.
a. Does she have enough?
yes
b. If so, how much extra soup does she have?
0.5 L, or 500 mL
4. Sally bought 1 extra small, 1 small, and 2 extra large
containers of soup. How much money did she spend?
$20.95
.:'...,."
5. Rocco wants to spend $8 or less on soup but he wants to get
the most for his money.
a. What's the greatest amount of soup he could buy? _ _
1_07_5-=--=L__
7-=-.7.:-5=-_
b. How much would he spend? __$.I.....:-
6. Write and solve your own problem.
Answers vary.
3228 Time
Date .. •. . . ...."."......
.....
.
..'
Math Boxes ......
. <••
.,..".-----~
•.c.•..•__..••._••••
_.~~~, .~ ~ ~_~~-_:__- - ,. .,- "- ,- ~'0"'" -~- - _ : '- -:- .-'" '- . . ,-'~" - -~
. __ ... __
..
1. Multiply. Show your work.
46
* 231 =
... .~
...... ~~.... I
.... ...
_ _ _____""__
.
~_~
.. i
~:''''51 ~. . ,. . - - -',.f/
;
____. _ _ _____
.
2. a. Complete the table.
10,626
1
Number
of Cups
16
32
. Number
of Gallons
1
2
'­
144 192
9
92
4. Subtract.
a. +$9 - (+$4) =
26~ CUpS
b. +$8 - (-$3)
c. -$7 - (+$15) =
e. -$14 -
_$-,---5_
$11
-$22
-$7
(-$9) = -$5
d. -$6 - (+$1)
5. Calculate the volume.
5~ gallons?
cups
20 gallons of soft drinks per year.
At that rate, about how many cups does a
10-year-old drink in a month?
17
<---.-y~- --'---~ ~."
b. How many cups are in
3. An average 10-year-old drinks about
12
272 •.
=
6. A 3-ounce bag of corn chips costs $0.65.
~/----</
A 14-ounce bag of corn chips costs $2.79.
a. What is the price per ounce of each
bag? (Round to the nearest cent.)
8ft
,,
,
$0·22 14-oz bag: $0.20 3-oz bag:
8ft
Number mOdel:(8
Volume
=
* *
512
8)
1t3
8
= 512 ~
b. Which bag of chips is the better buy?
the 14-oz bag
0
323
Date Time
.t~O~ki~g_Ba~k on the World Tour~.~.~_.:__._·
Math Message
It is time to complete the World Tour.
Answers vary.
1. Fly to Washington, D.C., and then travel to your hometown. Mark the final leg
of the tour on the Route Map on Math Journal 2, pages 330 and 331.
2. What is the total distance you have traveled?
_ _ _ miles
3. The airline has given you a coupon for every
5,000 miles you have traveled. Suppose you did all
your traveling by plane on the same airline. How
many coupons have you earned on the World Tour?
_ _ _ coupons
4. You can trade in 5 coupons for one free round-trip
ticket to fly anywhere in the continental United States.
How many round-trip tickets have you earned on the
World Tour?
_ _ _ round-trip tickets
Refer to "My Country Notes" in your journals (Math Journal 1, pages 174-181 and
Math Journal 2, pages 332-341) as you answer the following questions.
5. If you could travel all over the world for a whole year, what information would you
need in order to plan your trip?
324
j
Date
Time
6. To which country would you most like to travel in your lifetime? Explain your answer.
Answers vary.
7. On your travels, you would have the opportunity to learn about many different cultures.
What would you want to share with people from other countries about your culture?
8. What are some things you have enjoyed on the World Tour?
9. What is something about the World Tour you would like to add or change?
325
Date Time
1. David Fischer of Chicago, Illinois, jumped rope 56 times in 60 seconds. If he could
continue at this rate, about how many jumps would he do in 13 minutes?
7_2_8.__ jumps
About _ _
Source: Guinness World Records, www.guinnessworldrecords.com
2. Some scientists recommend that the average person drink about 8 eight-ounce
cups of water per day. At this rate, about how many cups of water would a person
drink in 2 weeks?
1~1_2__ cups
About _ _
3. On average, Americans eat about 20 pounds of pasta per year.
Y_e~s_ _
a. Does this 20 pounds per year seem reasonable to you? __
20 pounds == 320 ounces. That is
about 26 oz per month-about 4 servings.
Explain.
b. At this rate, about how many pounds of pasta would an American eat in 23 years?
4_6_._0__ pounds
About _ _
Source: Sicilian Culture, www.siciliancuHure.com/food/pasta.htm
4. Thirty-six buses would be needed to carry the passengers and crew of three 747 jumbo jets.
a. Fill in the rate table.
,
Buses
12
f
~ ..--~.~.-.- -...J
: Jets'
\ ....
•....
1
.
I
24
36
180
252
2
3
15
I 21
b. How many jets would be needed to carry the passengers on 264 buses?
_~2___
5. A man in India grew one of his thumbnails until it was 114 centimeters long.
Fingernails grow about 2.5 centimeters each year. At this rate, about how many
years did it take the man in India to grow his thumbnail?
4_5_.6_ _ years
About _ _
326
Date Time
1. a. Complete the table.
Number
of Days
365
Number
of Years
1
.
2. Give other names for each measure.
Sample answers:
730 13,285 ,380
2
b. How many days are in 92 years?
12
9
a. 1 gal
4 qt 8 pt 16 c
b. 1 qt
2 pt 4c
33 580
days a. Y+ (-8)
-23
-15
Y= _ __
. -17
b. 12
+ j = -5
J
c. 35
+ r=
r= _ __
d. C
25
+ (-115) = -144
C
-L 0.5L
clubs from a regular deck of playing cards
without looking? Fill in the circle next to
the best answer.
®
•
Sample answers:
2.75
2 0.75
100 - 97.25
2278
0.55 * 5
6. Calculate.
a. 10% of 860
'c. 75% of
very unlikely
d.
unlikely
@
very likely
e.
~
86
_1_1_
16 = 12
b. 5% of 220 =
impossible
©
~
4. Complete the name-collection box.
-10
-29
=_
__
5. How likely is it that Raj will pick a 3 of
4 gal
c. 50f mL
~
3. Find the solution of each open sentence.
1
-
f.
50
30
25
% of 87
43.5
% of 60 = 18
% of 145 36.25
327
Date Time
2. a. Complete the table.
1. Multiply. Show your work.
79 * 405
=
31 ,995
Number
of Inches
I
I
12 24.1 08 144
192 324
:
Number
of Feet
1
2
9
12
16 27
f
b. How many inches are in 11 feet?
132
inches
4. Subtract.
3. It is estimated that in an average
lifetime of 75 years, a person takes
about 50,000 trips in a car.
-=$100
-$45 - (-$30) = -$15
-$60 - (+$60) = -$120
$80
$55 - (-$25) =
$300 - (-$100) = $400
a. -$75 - (+$25)
a. At that rate, about how many times a
day would a person ride in a car? b.
c.
__2_ _ times
d.
b. Does this number make sense to you?
e.
yes
~
5. Calculate the volume.
6. A 10-ounce can of peas costs $0.55.
A 16-ounce can of peas costs $1.19.
fc;2c:cm
a. What is the price per ounce for each
can? (Round to the nearest cent.)
10-oz can:
S.Scm
(12
* 5.5) * 3 =
198
Number model: - - - - - - - ­
Volume =
328
198
cm3
16-oz can:
$0.06
$0.07
b. Which can of peas is the better buy?
10-oz can
~