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2.2 Solve problems
involving simple number patterns.
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UNDERLYING SKILLS AND CONCEPTS:
number patterns;
multiplication facts
Find a Pattern
You can solve problems by finding a pattern.
a
K
ey Ide
Look at how the numbers change.
Try to find a rule.
E x am p l E
1
James bought 4 packs of gum.
packs
1
2
3
4
How many pieces of gum did he pieces
buy?
5
10
15
20
There are 5 pieces in each pack.
B – © CSL Associates, Inc. All rights reserved.
You can find a pattern.
The pattern is skip count by 5.
James bought 20 pieces of gum.
E x am p l E
2
The table shows the number of
wheels for each number of
tricycles.
Tricycles
Wheels
1
3
Complete the table.
2
6
The number of tricycles counts
up by 1.
3
9
4
12
5
15
The number of wheels counts
up by 3.
Chapter 14 – Lesson 2
page 161
Name
P RAC T I C E
Complete the tables. Answer the questions.
Mayella traded pennies for
dimes. She got 5 dimes.
How many pennies did she
trade?
50
dollars
3
4
dimes
30
pennies
300
dimes
2
3
4
7
50
9
80
600
900
1,000
30 dimes
2
How many dimes can you trade for 3 dollars?
3
How many dimes can you get for 4 dollars?
4
How many pennies are in one dollar?
5
How many dollars can you get for 600 pennies? 6 dollars
6
How many dollars can you get for 80 dimes?
7
How many pennies are in 8 dollars?
Math
Reasoning
8
5
pennies 10
5
400
1
40 dimes
100 pennies
8 dollars
800 pennies
Number Patterns
MR 2.2
Jeremy traded nickels for dollars.
He traded 20 nickels for each dollar.
How many nickels did he trade to make 3 dollars?
60 nickels $3.00
page 162
Chapter 14 – Lesson 2
B – © CSL Associates, Inc. All rights reserved.
1
Name
P RAC T I C E
Answer the questions. Then complete the table.
Aimi traded pennies for
nickels. She got 4 nickels
How many pennies did she
trade?
20
dollars
3
dimes
30
pennies
300
nickels
1
2
3
4
5
pennies 5
6
50
8
10
80
400
900
40 dimes
2
How many dimes can you trade for 4 dollars?
3
How many dimes can you get for 6 dollars?
4
How many pennies are in one dollar?
5
How many dollars can you get for 1,000 pennies? 10 dollars
6
How many dollars can you get for 50 dimes?
7
How many pennies are in 7 dollars?
Math
Reasoning
8
60 dimes
100 pennies
5 dollars
700 pennies
Number Patterns
MR 2.2
Miguel traded dimes for dollars.
He traded 10 dimes for each dollar.
How many dimes did he trade to make 5 dollars?
50 dimes $5.00
page 108
Home Resource and Homework
Chapter 14 Lesson 2
B – © CSL Associates, Inc. All rights reserved.
1
MCX94TEG2Ch01_30.v9.4.1 2/19/01 19:49 Page 297
Name
P RAC T I C E
Complete the tables. Answer the questions.
B – © CSL Associates, Inc. All rights reserved.
1
Mayella traded pennies for
dimes. She got 5 dimes.
How many pennies did she
trade?
50
dimes
1
2
3
4
pennies 10 20 30 40 50
dollars
3
4
5
6
7
8
9
10
dimes
30
40
50
60
70
80
90
100
pennies
300
400 500
900
1,000
600
700 800
30 dimes
2
How many dimes can you trade for 3 dollars?
3
How many dimes can you get for 4 dollars?
4
How many pennies are in one dollar?
5
How many dollars can you get for 600 pennies? 6 dollars
6
How many dollars can you get for 80 dimes?
7
How many pennies are in 8 dollars?
Math
Reasoning
8
5
40 dimes
100 pennies
8 dollars
800 pennies
Number Patterns
MR 2.2
Jeremy traded nickels for dollars.
He traded 20 nickels for each dollar.
How many nickels did he trade to make 3 dollars?
60 nickels $3.00
Chapter 14 – Lesson 2
Student Book Page
page 162
Name
P RAC T I C E
Answer the questions. Then complete the table.
Aimi traded pennies for
nickels. She got 4 nickels
How many pennies did she
trade?
20
nickels
1
pennies 5
2
3
4
10 15 20 25
dollars
3
4
5
6
7
8
9
10
dimes
30
40
50
60
70
80
90
100
pennies
300
400 500
600
700 800
5
900 1,000
40 dimes
2
How many dimes can you trade for 4 dollars?
3
How many dimes can you get for 6 dollars?
4
How many pennies are in one dollar?
5
How many dollars can you get for 1,000 pennies? 10 dollars
6
How many dollars can you get for 50 dimes?
7
How many pennies are in 7 dollars?
Math
Reasoning
8
60 dimes
100 pennies
5 dollars
700 pennies
Number Patterns
MR 2.2
Miguel traded dimes for dollars.
He traded 10 dimes for each dollar.
How many dimes did he trade to make 5 dollars?
50 dimes $5.00
page 108
Home Resource and Homework
Chapter 14 Lesson 2
B – © CSL Associates, Inc. All rights reserved.
1