Skip Count by 10s/Arrays

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,QWHUSUHWSURGXFWVRIZKROHQXPEHUVHJLQWHUSUHW[DVWKH
NS 1.1*2$
Count, read,
and write whole numbers to 1,000 and identify the
WRWDOQXPEHURIREMHFWVLQJURXSVRIREMHFWVHDFK)RUH[DPSOHGHVFULEHDFRQWH[WLQ
place value for each digit.
ZKLFKDWRWDOQXPEHURIREMHFWVFDQEHH[SUHVVHGDV[
UNDERLYING SKILLS AND CONCEPTS:
counting;
patterns
Skip Count by 10s/Arrays
You can count objects quickly if you count them
ten at a time.
When you count ten at a time, you are adding 10 to each
number you say. Skip counting by 10s is like adding 10.
a
K
ey Ide
E x am p l E
1
Read the numbers that are circled.
1
2
3
4
5
6
7
8
9 10
11 12 13 14 15 16 17 18 19 20
B – © CSL Associates, Inc. All rights reserved.
21 22 23 24 25 26 27 28 29 30
What pattern do you see when you count by tens?
0 repeats.
E x am p l E
2
Skip count by tens. Record the number below.
10
20
Chapter 16 – Lesson 3
30
page 187
Name
P RAC T I C E
Skip count by tens. Record the number below.
1
2
3
4
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
39
41
42
43
44
45
46
47
48
49
B – © CSL Associates, Inc. All rights reserved.
Complete the chart.
Find the missing numbers.
60 70, _____,
80 90
40, 50, _____,
Math
Reasoning
5
Count by 10s
MR 2.0
Explain how to skip count by tens starting at 40.
Start at 40 and add ten each time.
page 188
Chapter 16 – Lesson 3
Name
P RAC T I C E
Skip count by tens. Record the number below.
1
2
3
4
51
52
53
54
55
56
57
58
59
61
62
63
64
65
66
67
68
69
71
72
73
74
75
76
77
78
79
B – © CSL Associates, Inc. All rights reserved.
Complete the chart.
Find the missing numbers.
40 50, _____,
60 70
20, 30, _____,
Math
Reasoning
5
Count by 10s
MR 2.0
Explain how to skip count by tens starting at 30.
Start at 30 and add ten each time.
page 126
Home Resource and Homework
Chapter 16 Lesson 3
MCX94TEG2Ch01_30.v9.4.1 2/19/01 19:50 Page 345
Name
P RAC T I C E
Skip count by tens. Record the number below.
1
10
20
30
40
50
2
10
20
30
40
50
Complete the chart.
B – © CSL Associates, Inc. All rights reserved.
3
4
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
Find the missing numbers.
60 70, _____,
80 90
40, 50, _____,
Math
Reasoning
5
Count by 10s
MR 2.0
Explain how to skip count by tens starting at 40.
Start at 40 and add ten each time.
Chapter 16 – Lesson 3
Student Book Page
page 188
Name
P RAC T I C E
Skip count by tens. Record the number below.
1
10
20
30
40
50
60
2
10
20
30
40
50
60
3
4
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
B – © CSL Associates, Inc. All rights reserved.
Complete the chart.
Find the missing numbers.
40 50, _____,
60 70
20, 30, _____,
Math
Reasoning
5
Count by 10s
MR 2.0
Explain how to skip count by tens starting at 30.
Start at 30 and add ten each time.
page 126
Home Resource and Homework
Chapter 16 Lesson 3