Counting Challenge - Challenge Worksheet With Answer Key Page 2
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1
2Name
5–6
1
11
21
31 41 51 61 71 81 91
Counting Challenge
2
12 22 32 42 52
62
72 82 92
3
13 23 33 43 53 63 73 83 93
Use the Hundred Grid to help
4
14
24 34 44 54 64 74 84 94
you count.
5
15
25
35 45 55 65 75 85 95
5
Count by
s.
6
16 26 36 46 56 66 76
86
96
7
12
17
22
27
7
17 27
37
47 57 67 77 87
97
,
,
,
,
,
1.
32
37
8
18 28 38
48
58 68 78 88 98
,
9
19 29 39 49 59 69
79
89 99
In the first blank write
2.
10
20
30 40 50
60
70 80 90
100
the last number you wrote
1
for exercise
.
10
Then count by
s.
37
47
57
67
77
,
,
,
,
10
Count by
s.
34
44
54
64
,
,
,
3.
In the first blank write the last
4.
3
number you wrote for exercise
.
5
Then count by
s.
64
69
74
79
84
,
,
,
,
Think About It Look at your answers to
5.
1
4
exercises
and
. Look at the ones digit in
each number. What pattern do you see?
Possible response: The ones digit of every other
number is the same.
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