MR 1.1 Determine the approach, materials, and strategies to be used.
MR 2.2 Make precise calculations and check the validity of the results
from the context of the problem.
UNDERLYING SKILLS AND CONCEPTS:
read word problems;
pattern awareness
Find a Pattern in a Table
You can solve word problems.
a
K
ey Ide
Use the 4-step plan.
When you get to Step 3, try to find
a pattern in the table to help
solve the problem.
E x am p l E
Pitchers
Lemons
1
4
2
8
3
12
4
16
A – © CSL Associates, Inc. All rights reserved.
Lin is making lemonade.
5
20
She needs 4 lemons for each pitcher of water.
How many lemons does she need to make 5 pitchers of lemonade?
Step 1: What is the
question?
How many lemons does she need to
make 5 pitchers?
Step 2: What information
do you have?
Each pitcher needs 4 lemons.
She wants to make 5 pitchers.
Step 3: Solve. Look for a
pattern in the table.
The number of pitchers goes up by 1.
The number of lemons goes up by 4
for each pitcher.
Add 4 to 16 lemons. She needs 20
lemons to make 5 pitchers.
Step 4: Check.
Chapter 30 – Lesson 4
Does your answer fit the pattern?
page 357
Name
P RAC T I C E
Solve. Explain your strategy.
1
How many nickels can you trade
for 25 pennies?
Nickels
1
2
3
Pennies
5
10
15
Dimes
1
2
10
20
Cars
1
2
Wheels
4
8
4
5
6
3
4
5
6
3
4
5
6
5 nickels 25 pennies
2
How many dimes can you
trade for 50 pennies?
Pennies
3
How many wheels are on
6 cars?
24 wheels
Math
Reasoning
4
Problem Solving
MR 2.2
Marisol read one book on Monday.
She wants to double her reading each day.
She read 2 books on Tuesday.
How many books should she read on Wednesday?
How did you decide?
She should read 4 books because she wants to
double her reading and 2 2 4.
page 358
Chapter 30 – Lesson 4
A – © CSL Associates, Inc. All rights reserved.
5 dimes 50 pennies
Name
…at home!
P RAC T I C E
Solve. Explain your strategy.
1
How many nickels can you trade
for 30 pennies?
Nickels
1
2
3
Pennies
5
10
15
Dimes
1
2
10
20
Cars
1
2
Wheels
4
8
4
5
6
3
4
5
6
3
4
5
6
6 nickels 30 pennies
2
How many dimes can you
trade for 40 pennies?
Pennies
4 dimes 40 pennies
3
How many wheels are on
5 cars?
Math
Reasoning
4
Problem Solving
MR 2.2
Melany walks 5 minutes on Monday.
She wants to double her walking each day.
She walks 10 minutes on Tuesday.
How many minutes should she walk on Wednesday?
How did you decide?
She should walk 20 minutes because she wants
to double her walking and 10 10 20.
page 240
Home Resource and Homework
Chapter 30 Lesson 4
A – © CSL Associates, Inc. All rights reserved.
20 wheels
MCX94TEG1Ch01_30.v8.4.1 2/19/01 19:28 Page 657
Name
P RAC T I C E
Solve. Explain your strategy.
1
How many nickels can you trade
for 25 pennies?
Nickels
1
2
3
Pennies
5
10
15
Dimes
1
2
3
10
20
Cars
1
2
Wheels
4
8
4
5
6
20 25 30
5 nickels 25 pennies
2
How many dimes can you
trade for 50 pennies?
Pennies
4
5
6
30 40 50 60
5 dimes 50 pennies
3
How many wheels are on
6 cars?
A – © CSL Associates, Inc. All rights reserved.
24 wheels
Math
Reasoning
4
3
4
5
6
12 16 20 24
Problem Solving
MR 2.2
Marisol read one book on Monday.
She wants to double her reading each day.
She read 2 books on Tuesday.
How many books should she read on Wednesday?
How did you decide?
She should read 4 books because she wants to
double her reading and 2 2 4.
Chapter 30 – Lesson 4
Student Book Page
page 358
Name
…at home!
P RAC T I C E
Solve. Explain your strategy.
1
How many nickels can you trade
for 30 pennies?
Nickels
1
2
3
Pennies
5
10
15
Dimes
1
2
3
10
20
Cars
1
2
Wheels
4
8
4
5
6
20 25 30
6 nickels 30 pennies
2
How many dimes can you
trade for 40 pennies?
Pennies
4
5
6
30 40 50 60
4 dimes 40 pennies
3
How many wheels are on
5 cars?
3
4
5
6
12 16 20 24
Math
Reasoning
4
Problem Solving
MR 2.2
Melany walks 5 minutes on Monday.
She wants to double her walking each day.
She walks 10 minutes on Tuesday.
How many minutes should she walk on Wednesday?
How did you decide?
She should walk 20 minutes because she wants
to double her walking and 10 10 20.
page 240
Home Resource and Homework
Chapter 30 Lesson 4
A – © CSL Associates, Inc. All rights reserved.
20 wheels