Name
10 11 12 13 14 15 16 17 18 19 20
tens
ones
tens
ones
17
17
tens
ones
tens
ones
18
18
© 2011
FGASW20
Numbers 17–18
9
Name
tens
ones
11
11
tens
ones
12
12
© 2011
FGASW20
tens
ones
!
!
tens
ones
!
!
tens
ones
12
12
tens
ones
13
13
Add 1
28
12
8
10
14
Name
^
6
^
6
6
© 2011
FGASW20
14
19
20
17
Add 6
63
Name
Directions: Draw a path as you count backward from 13 to 1.
7
6
8
4
8
6
9
5
5
10
9
3
12
8
4
10
10
2
13
1
12
11
© 2011
FGASW20
Review Counting Backward within 13
83
Name
7
9
8
11
10
13
12
11
10
12
© 2011
FGASW20
15
15
15
15
15
15
14 15
15
15
Count Backward within 15
103
Name
17
!%
16
!0
16
@
18
!@
19
&
14
!!
17 ham
Sal had
How many
© 2011
s. He ate
2 of the ham
s.
s did he have left?
FGASW20
Mixed Review within 20
138