Name
Lesson 7.7
Problem Solving Workshop Skill:
Multistep Problems
Problem Solving Skill Practice
Describe the steps required to solve. Then solve the problem.
1. The crew of a fishing boat is paid
2. A lobster boat captain pays its crew
$0.50 per pound of king crab,
$0.30 per pound of blue crab and
$0.25 per pound of snow crab. If the
four-member crew caught 310 lb of
king crab, 140 lb of blue crab and
284 lb of snow crab, how much money
did each member make?
$0.85 per pound of lobster caught.
The lobster is then sold to the store for
$2.95 per pound. If 649 pounds of
lobster were caught, how much money
did the captain earn, after paying the
crew?
Mixed Applications
Captain Jack’s Fishing Adventure
3. USE DATA How much will it cost for
two children and three adults to take a
12-hour fishing trip?
4. USE DATA Mr. Chopra paid $180 for
Age
Length of Trip
Cost
Children
6 hours
$35
Children
12 hours
$65
Adult
6 hours
$55
Adult
12 hours
$95
5. FAST FACT The penny weighs
2.5 grams, the nickel weighs 5 grams
and the dime weighs 2.268 grams. If
you have eight pennies, four nickels
and six dimes in your pocket, how
much weight are you carrying?
a 6-hour fishing trip. Including himself,
how many adults and children did
Mr. Chopra pay for?
PW48
Practice
© Harcourt • Grade 5
MXENL08AWK5X_PH_C07_L7.indd PW48
6/15/07 12:14:57 PM
Name
Lesson 7.6
Practice Decimal Multiplication
Find the number of decimal places in each product.
1. 0.004 0.005
2. $9 0.02
Estimates may vary.
3. 1.007 0.13
4. 0.08 2.08
Name
Lesson 7.7
Problem Solving Workshop Skill:
Multistep Problems
Problem Solving Skill Practice
.00002
5. 2.56 0.11
$0.18
0.13091
6. 0.012 1.2
0.2816
7. 0.06 1.5
.0144
0.1664
8. 0.01 0.01
.0001
0.09
Estimate. Then find the product.
9.
0.12
0.8
__
10. $13.00
11.
0.007
__
0.09; 0.096
0.35; 0.33
12.
0; 0.0486
$0.13; $0.09
14. $2 0.04
13. 6.6 0.05
0.006
8.1
__
15. 0.07 0.3
0.02; $0.08
0.3; 0.021
0.44
0.05
__
1. The crew of a fishing boat is paid
2. A lobster boat captain pays its crew
$0.50 per pound of king crab,
$0.30 per pound of blue crab and
$0.25 per pound of snow crab. If the
four-member crew caught 310 lb of
king crab, 140 lb of blue crab and
284 lb of snow crab, how much money
did each member make?
$0.85 per pound of lobster caught.
The lobster is then sold to the store for
$2.95 per pound. If 649 pounds of
lobster were caught, how much money
did the captain earn, after paying the
crew?
multiply $0.50 ⫻ 310; multiply multiply 649 ⫻ $2.95;
0.04; 0.022
16. 0.07 0.09
.0007; .00063
$0.30 ⫻ 140; multiply
multiply 649 ⫻ $0.85;
$0.25 ⫻ 4; add the three
subtract the second answer
answers; divide by four; $67
from the first; $1,362.90
Mixed Applications
Problem Solving and Test Prep
Captain Jack’s Fishing Adventure
3. USE DATA How much will it cost for
17. Dustin has 8 guitar picks that are each
18. FAST FACT The smallest fish recorded
0.009 of an inch thick. What is the total
height of the guitar picks if they are
stacked on top of each other?
is the stout infantfish at 0.25 inch long.
How long is 0.05 of the fish?
0.072 inch
0.0125 inch
19. A Brussels sprout weighs 0.0025 of a
Describe the steps required to solve. Then solve the problem.
20. A light guitar string is 0.016 of an
kilogram. How many kilograms do
4 sprouts weigh?
B
inch thick. A heavy guitar string is
2.25 times as thick. How thick is the
heavy string?
A
A 0.001 kilogram
A 0.036 in.
B
0.01 kilogram
B
0.36 in.
C
0.1 kilogram
C
3.6 in.
two children and three adults to take a
12-hour fishing trip?
$415
4. USE DATA Mr. Chopra paid $180 for
Age
Length of Trip
Cost
Children
6 hours
$35
Children
12 hours
$65
Adult
6 hours
$55
Adult
12 hours
$95
5. FAST FACT The penny weighs
2.5 grams, the nickel weighs 5 grams
and the dime weighs 2.268 grams. If
you have eight pennies, four nickels
and six dimes in your pocket, how
much weight are you carrying?
a 6-hour fishing trip. Including himself,
how many adults and children did
Mr. Chopra pay for?
Two adults and two children
53.608 grams
D 36 in.
D 1 kilogram
Circled problems are suggested homework problems.
PW47
Circled problems are suggested homework problems.
Practice
PW48
Practice
© Harcourt • Grade 5
© Harcourt • Grade 5
MXENL08AWK5X_PH_C07_L7.indd PW48
Lesson 7.6
Item
6/15/07 12:14:57 PM
Lesson 7.7
Suggested rationale
Item
Suggested rationale
9
multiplying with zeros as
place holders, thousandths
1
solve multistep word
problem
10
multiplying money with
zeros as place holders
3
solve multistep word
problem
13
multiplying with zeros as
place holders, tenthousandths
5
solve multistep word
problem
17
problem solving
19
test prep
PW47-PW48
Practice
© Harcourt • Grade 5
MXENL08AWK5X_PHTE_RatA.indd PW48
7/2/07 3:01:28 PM