MATH MOM TEACHER
Activities
Understanding Teen Numbers Addition
Teen numbers
10 and some more
Build 11
Put ones on top of the 10.
11
12
13
14
15
16
17
18
19
Drag or tap
10
+
=
11
+
10
=
11
1
2
3
4
5
6
7
8
9
0
Reset
Next