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Patterns:
Number Rules
Stephanie wants to know how many
players are participating in a competition.
There are 6 teams. Each team has 11
players. The rule is “Multiply by 11.”
Use the rule to complete the table.
Number of Teams
Number of Players
1
11
2
22
3
33
4
44
5
55
6
66
Additional
Practice 14-2
Describe features of the pattern.
• The number of players are multiples
of 11.
• The digits in the ones place increase
by 1 for each team added.
• The number of teams is a factor of the
number of players for each number pair.
There are 66 players participating.
For 1–4, use the rule to complete each table. Describe a feature of each pattern.
1. Rule: Multiply by 12
2. Rule: Divide by 9
Number of
Dozens
4
Number of Eggs
48
5
6
7
72
3. Rule: Divide by 6
Number of Legs
Number of Insects
Number of
Baseball Players
54
63
Number of Teams
6
7
Number of
Phone Numbers
33
34
Number of
Digits in Phone
Numbers
330
340
72
81
35
36
4. Rule: Multiply by 10
162
168
174
28
29
180
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Topic 14
Lesson 14-2
179
6. enVision® STEM A wavelength is the
distance between 1 peak of a wave of
light, heat, or other energy to the next
peak. Greta measured the distance for
3 wavelengths. What is distance for
1 wavelength?
5. The table shows the amounts of money
Emma earns for different numbers of
chores. How much money does Emma
earn when she does 6 chores?
Rule: Multiply by 9
Number of Chores
Amount Earned
3
$27
4
$36
5
$45
168 feet
6
8. There are 21,611 more students enrolled
in elementary school than in middle
school in a city district. If there are 16,247
students enrolled in middle school, how
many are enrolled in elementary school?
7. Write 894,217 in expanded form and
using number names.
9. Using the rule from the table, how
many T-shirts would sell for $168?
Do you need to find
the price of 30 T-shirts
and 9 T-shirts to solve
Exercise 10?
DATA
For 9–10, the rule is “Divide by 7.”
10. Higher Order Thinking How much more
do 30 T-shirts cost than 9 T-shirts? Explain.
Price
Number of T-Shirts
$147
21
$154
22
$161
23
Assessment Practice
11. There are 24 hours in a day. Use the rule “Multiply by 24”
to show the relationship between the number of days
and the number of hours. Use each digit from the box
once to complete the table.
Number of Days
13
Number of Hours
180
Topic 14
Lesson 14-2
14
15
16
336
360
384
17
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2 3
4 8
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