NS 4.1*2$
Understand
that many whole numbers break down in different
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ways (e.g., 12 ! 4 " 3 ! 2 " 6 ! 2 " 2 x 3).
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UNDERLYING SKILLS AND CONCEPTS:
multiplication basic facts;
meaning of multiplication
Identify Multiples of a Number
a
K
ey Ide
When you multiply two numbers, the product is a multiple of the
factors.
You can can skip count by 2s to find the multiples of 2.
2, 4, 6, 8, 10, and so on
Any number that you can divide evenly by 2 is a multiple of 2.
E x am p l E
1
List the first 4 multiples of 5.
Skip count by 5.
5, 10, 15, 20
The first four multiples of 5 are 5, 10, 15, 20.
E x am p l E
2
Complete the table to list the first 9 multiples of 4.
Multiples of 4
"4
page 102
1
2
4
8
3
4
5
6
7
8
9
12 16 20 24 28 32 36
Chapter 9 – Lesson 3
D – © CSL Associates, Inc. All rights reserved.
Remember: Any number that you can divide evenly by 5 is a multiple of 5.
Name
P RAC T I C E
Circle the numbers that are multiples of 3.
1.
0
1
2
3
4
5
6
7
8
9 10
0 0
0
0
0
0
0
0
0
0
0
1 0
1
2
3
4
5
6
7
8
9 10
2 0
2
4
6
8 10 12 14 16 18 20
3 0
3
6
9 12 15 18 21 24 27 30
4 0
4
8 12 16 20 24 28 32 36 40
5 0
5 10 15 20 25 30 35 40 45 50
6 0
6 12 18 24 30 36 42 48 54 60
7 0
7 14 21 28 35 42 49 56 63 70
8 0
8 16 24 32 40 48 56 64 72 80
9 0
9 18 27 36 45 54 63 72 81 90
0
So many
numbers!
10 0 10 20 30 40 50 60 70 80 90 100
Find the multiples. You may use a multiplication table to check.
D – © CSL Associates, Inc. All rights reserved.
2. Write the first 9 multiples of 9.
9, 18, 27, 36, 45, 54, 63, 72, 81
3. Write the first 10 multiples of 6.
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
4. Write the first 10 multiples of 7.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
Math
Reasoning
Mystery Number
MR 1.1
5. I am the smallest number that is a
multiple of both 3 and 5. Who am I?
3: 3, 6, 9, 12, 15, 18
5: 5, 10, 15, 20
Chapter 9 – Lesson 3
I am 15.
page 103
MCX94.HW.CL.G4.FM&Lesson.v211
8/2/04
19:16
Page 70
Name
…at home!
P RAC T I C E
Circle the numbers that are multiples of 4.
1.
0
1
2
3
4
5
6
7
8
9 10
0 0
0
0
0
0
0
0
0
0
0
1 0
1
2
3
4
5
6
7
8
9 10
2 0
2
4
6
8 10 12 14 16 18 20
3 0
3
6
9 12 15 18 21 24 27 30
4 0
4
8 12 16 20 24 28 32 36 40
5 0
5 10 15 20 25 30 35 40 45 50
6 0
6 12 18 24 30 36 42 48 54 60
7 0
7 14 21 28 35 42 49 56 63 70
8 0
8 16 24 32 40 48 56 64 72 80
9 0
9 18 27 36 45 54 63 72 81 90
0
So many
numbers!
10 0 10 20 30 40 50 60 70 80 90 100
Find the multiples. You may use a multiplication table to check.
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
3. Write the first 10 multiples of 7.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
4. Write the first 9 multiples of 9.
9, 18, 27, 36, 45, 54, 63, 72, 81
Math
Reasoning
Mystery Number
MR 1.1
5. I am the smallest number that is a
multiple of both 2 and 7. Who am I?
2: 2, 4, 6, 8, 10, 12, 14, 16
7: 7, 14, 21, 28
page 70
I am 14
Home Resource and Homework
Chapter 9 Lesson 3
D – © CSL Associates, Inc. All rights reserved.
2. Write the first 10 multiples of 8.
MCX94TEG4Ch01_32.v8.5.2 2/26/01 19:00 Page 191
Name
P RAC T I C E
Circle the numbers that are multiples of 3.
1.
0
1
2
3
4
5
6
7
8
9 10
0 0
0
0
0
0
0
0
0
0
0
1 0
1
2
3
4
5
6
7
8
9 10
2 0
2
4
6
8 10 12 14 16 18 20
3 0
3
6
9 12 15 18 21 24 27 30
4 0
4
8 12 16 20 24 28 32 36 40
5 0
5 10 15 20 25 30 35 40 45 50
6 0
6 12 18 24 30 36 42 48 54 60
7 0
7 14 21 28 35 42 49 56 63 70
8 0
8 16 24 32 40 48 56 64 72 80
9 0
9 18 27 36 45 54 63 72 81 90
0
So many
numbers!
10 0 10 20 30 40 50 60 70 80 90 100
Find the multiples. You may use a multiplication table to check.
D – © CSL Associates, Inc. All rights reserved.
2. Write the first 9 multiples of 9.
9, 18, 27, 36, 45, 54, 63, 72, 81
3. Write the first 10 multiples of 6.
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
4. Write the first 10 multiples of 7.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
Math
Reasoning
Mystery Number
MR 1.1
5. I am the smallest number that is a
multiple of both 3 and 5. Who am I?
3: 3, 6, 9, 12, 15, 18
5: 5, 10, 15, 20
Chapter 9 – Lesson 3
I am 15.
Student Book Page
page 103
Name
…at home!
P RAC T I C E
Circle the numbers that are multiples of 4.
1.
0
1
2
3
4
5
6
7
8
9 10
0 0
0
0
0
0
0
0
0
0
0
1 0
1
2
3
4
5
6
7
8
9 10
2 0
2
4
6
8 10 12 14 16 18 20
3 0
3
6
9 12 15 18 21 24 27 30
4 0
4
8 12 16 20 24 28 32 36 40
5 0
5 10 15 20 25 30 35 40 45 50
6 0
6 12 18 24 30 36 42 48 54 60
7 0
7 14 21 28 35 42 49 56 63 70
8 0
8 16 24 32 40 48 56 64 72 80
9 0
9 18 27 36 45 54 63 72 81 90
0
So many
numbers!
10 0 10 20 30 40 50 60 70 80 90 100
Find the multiples. You may use a multiplication table to check.
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
3. Write the first 10 multiples of 7.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
4. Write the first 9 multiples of 9.
9, 18, 27, 36, 45, 54, 63, 72, 81
Math
Reasoning
Mystery Number
MR 1.1
5. I am the smallest number that is a
multiple of both 2 and 7. Who am I?
2: 2, 4, 6, 8, 10, 12, 14, 16
7: 7, 14, 21, 28
page 70
I am 14
Home Resource and Homework
Chapter 9 Lesson 3
D – © CSL Associates, Inc. All rights reserved.
2. Write the first 10 multiples of 8.