MR 1.1
MR 1.2
MR 2.1
MR 3.0
Determine the approach, materials, and strategies to use.
Use tools, such as manipulatives or sketches, to model problems.
Defend the reasoning used and justify the procedures selected.
Students note connections between one problem and another.
UNDERLYING SKILLS AND CONCEPTS:
read word problems;
look for patterns
Make a Table
a
K
ey Ide
When you solve problems, use the
4-step Problem-Solving Plan.
When you get to Step 3, try
making a table to solve.
Tables!
E x am p l E
B – © CSL Associates, Inc. All rights reserved.
Marina made a necklace with 5 beads.
How many beads does she need to make 4 necklaces?
1. What do you
need to find out?
How many beads does Marina need for 4
necklaces?
2. What information
can you use to
answer the
question?
3. How can you
solve the
problem?
Every necklace has 5 beads.
She wants to make 4 necklaces.
You can make a table and look for a pattern.
Skip count by 5s
to complete the
table.
She needs 20
beads.
4. How can you
check your
answer?
Chapter 18 – Lesson 2
Number of
Necklaces
Number of
Beads
1
5
2
10
3
15
20
4
You can divide 20 beads into 4 equal
groups. See if each group has 5 beads.
page 209
Name
P RAC T I C E
1
A triangular pyramid has
4 faces that are triangles.
How many triangles are
there in 4 triangular
pyramids?
16 faces
2
The late fee at the school
library is 5 cents a day.
Lucas paid 30 cents.
How many days was
his book overdue?
6 days overdue
Math
Reasoning
3
Pyramid
Faces
1
4
2
8
3
12
4
16
Days
Fee
1
5¢
2
10¢
3
15¢
4
20¢
5
25¢
6
30¢
7
35¢
Number Sense
Two batteries cost $3.
Edward needs 6 batteries.
How much will his batteries cost?
MR 1.1
$9;
2 cost $3; 4 cost $6; 6 cost $9.
page 210
Chapter 18 – Lesson 2
B – © CSL Associates, Inc. All rights reserved.
Solve. Show how you found your answer.
Name
P RAC T I C E
Solve. Show how you found your answer.
A triangular pyramid has
4 faces that are triangles.
How many triangles are
there in 3 triangular
pyramids?
12 faces
2
The late fee at the school
library is 5 cents a day.
Angela paid 20 cents.
How many days was
her book overdue?
4 days overdue
Math
Reasoning
3
Pyramid
1
4
2
8
3
12
4
16
Days
Fee
1
5¢
2
10¢
3
15¢
4
20¢
5
25¢
6
30¢
7
35¢
Number Sense
Two batteries cost $3.
Steve needs 4 batteries.
How much will his batteries cost?
Faces
MR 1.1
$6;
2 cost $3; 4 cost $6.
page 140
Home Resource and Homework
Chapter 18 Lesson 2
B – © CSL Associates, Inc. All rights reserved.
1
MCX94TEG2Ch01_30.v9.4.1 2/19/01 19:50 Page 385
Name
P RAC T I C E
Solve. Show how you found your answer.
1
A triangular pyramid has
4 faces that are triangles.
How many triangles are
there in 4 triangular
pyramids?
Pyramid
Faces
1
4
2
8
3
12
4
16
Days
Fee
1
5¢
2
10¢
3
15¢
4
20¢
5
25¢
6
30¢
7
35¢
16 faces
B – © CSL Associates, Inc. All rights reserved.
2
The late fee at the school
library is 5 cents a day.
Lucas paid 30 cents.
How many days was
his book overdue?
6 days overdue
Math
Reasoning
3
Number Sense
Two batteries cost $3.
Edward needs 6 batteries.
How much will his batteries cost?
MR 1.1
$9;
2 cost $3; 4 cost $6; 6 cost $9.
Chapter 18 – Lesson 2
Student Book Page
page 210
Name
P RAC T I C E
Solve. Show how you found your answer.
A triangular pyramid has
4 faces that are triangles.
How many triangles are
there in 3 triangular
pyramids?
12 faces
2
The late fee at the school
library is 5 cents a day.
Angela paid 20 cents.
How many days was
her book overdue?
4 days overdue
Math
Reasoning
3
Pyramid
1
4
2
8
3
12
4
16
Days
Fee
1
5¢
2
10¢
3
15¢
4
20¢
5
25¢
6
30¢
7
35¢
Number Sense
Two batteries cost $3.
Steve needs 4 batteries.
How much will his batteries cost?
Faces
MR 1.1
$6;
2 cost $3; 4 cost $6.
page 140
Home Resource and Homework
Chapter 18 Lesson 2
B – © CSL Associates, Inc. All rights reserved.
1