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&RXQWWRVWDUWLQJDWDQ\QXPEHUOHVVWKDQ,QWKLVUDQJH
NS 2.4*1%7
Count by 2s,
5s, and 10s to 100.
UHDGDQGZULWHQXPHUDOVDQGUHSUHVHQWDQXPEHURIREMHFWVZLWKDZULWWHQQXPHUDO
UNDERLYING SKILLS AND CONCEPTS:
counting;
number patterns
Patterns on a Hundred Chart
You can use a hundred chart to find patterns.
a
K
ey Ide
1
2
3
4
5
6
7
8
9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
A – © CSL Associates, Inc. All rights reserved.
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
The chart shows skip counting by twos.
E x am p l E
What patterns do you see when you skip count by twos?
All the numbers shaded are in columns.
Every other column is shaded.
All the numbers in the first shaded column end in 2.
All the numbers in the second shaded column end in 4.
Chapter 11 – Lesson 3
page 127
Name
P RAC T I C E
1
Skip count by 5. Color all 1 2 3 4 5 6 7 8 9 10
the numbers you count
11 12 13 14 15 16 17 18 19 20
blue.
21 22 23 24 25 26 27 28 29 30
3
4
What patterns do you
see when you skip count
by 5?
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
All numbers end
in 5 or 0.
51 52 53 54 55 56 57 58 59 60
Skip count by 10. Put an
X on each number you
count.
71 72 73 74 75 76 77 78 79 80
61 62 63 64 65 66 67 68 69 70
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
What patterns do you
see when you skip count by 10?
All numbers end in 0.
Math
Reasoning
5
Patterns on a hundred chart
MR 3.0
How is the pattern for skip counting by 5 the same as the
pattern for skip counting by 10?
All the numbers you count when you skip count
by 10 you count when you skip count by 5.
6
How are the patterns different?
You skip count more numbers when you skip
count by 5—all the numbers that end in 5.
page 128
Chapter 11 – Lesson 3
A – © CSL Associates, Inc. All rights reserved.
2
Name
P RAC T I C E
1
…at home!
Skip count by 5. Color all 1 2 3 4 5 6 7 8 9 10
the numbers you count
11 12 13 14 15 16 17 18 19 20
red.
21 22 23 24 25 26 27 28 29 30
3
4
What patterns do you
see when you skip count
by 5?
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
All numbers end
in 5 or 0.
51 52 53 54 55 56 57 58 59 60
Skip count by 10. Put an
on each number you
count.
71 72 73 74 75 76 77 78 79 80
61 62 63 64 65 66 67 68 69 70
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
What patterns do you
see when you skip count by 10?
All numbers end in 0.
Math
Reasoning
5
Patterns on a Hundred Chart
MR 3.0
How is the pattern for skip counting by 5 the same as the
pattern for skip counting by 10?
All the numbers you count when you skip count
by 10 you count when you skip count by 5.
6
How are the patterns different?
You skip count more numbers when you skip
count by 5—all the numbers that end in 5.
page 86
Home Resource and Homework
Chapter 11 Lesson 3
A – © CSL Associates, Inc. All rights reserved.
2
MCX94TEG1Ch01_30.v8.4.1 2/19/01 19:21 Page 235
Name
P RAC T I C E
1
Skip count by 5. Color all 1 2 3 4 5 6 7 8 9 10
the numbers you count
11 12 13 14 15 16 17 18 19 20
blue.
21 22 23 24 25 26 27 28 29 30
2
A – © CSL Associates, Inc. All rights reserved.
3
4
What patterns do you
see when you skip count
by 5?
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
All numbers end
in 5 or 0.
51 52 53 54 55 56 57 58 59 60
Skip count by 10. Put an
X on each number you
count.
71 72 73 74 75 76 77 78 79 80
61 62 63 64 65 66 67 68 69 70
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
What patterns do you
see when you skip count by 10?
All numbers end in 0.
Math
Reasoning
5
Patterns on a hundred chart
MR 3.0
How is the pattern for skip counting by 5 the same as the
pattern for skip counting by 10?
All the numbers you count when you skip count
by 10 you count when you skip count by 5.
6
How are the patterns different?
You skip count more numbers when you skip
count by 5—all the numbers that end in 5.
Chapter 11 – Lesson 3
Student Book Page
page 128
Name
P RAC T I C E
1
…at home!
Skip count by 5. Color all 1 2 3 4 5 6 7 8 9 10
the numbers you count
11 12 13 14 15 16 17 18 19 20
red.
21 22 23 24 25 26 27 28 29 30
3
4
What patterns do you
see when you skip count
by 5?
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
All numbers end
in 5 or 0.
51 52 53 54 55 56 57 58 59 60
Skip count by 10. Put an
on each number you
count.
71 72 73 74 75 76 77 78 79 80
61 62 63 64 65 66 67 68 69 70
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
What patterns do you
see when you skip count by 10?
All numbers end in 0.
Math
Reasoning
5
Patterns on a Hundred Chart
MR 3.0
How is the pattern for skip counting by 5 the same as the
pattern for skip counting by 10?
All the numbers you count when you skip count
by 10 you count when you skip count by 5.
6
How are the patterns different?
You skip count more numbers when you skip
count by 5—all the numbers that end in 5.
page 86
Home Resource and Homework
Chapter 11 Lesson 3
A – © CSL Associates, Inc. All rights reserved.
2