Addition Facts: The Ones
1
+
0
=
1
1
+
1
=
2
1
+
2
=
3
1
+
3
=
4
1
+
4
=
5
1
+
5
=
6
1
+
6
=
7
1
+
7
=
8
1
+
8
=
9
1
+
9
=
10
1
+
10
=
11
1
+
11
=
12
1
+
12
=
13
Arithmetic Fact Pages, compliments of S&S Software. (http://www.sssoftware.com).
© 1999 by S&S Software.