You can use these fall-themed ten frames for teaching a variety math concepts and strategies within numbers 1-20. Some ideas for using the ten frames include (but are not limited to):
Odd and Even
I have attached a page of fall leaves that you can cut out for students to manipulate on the ten frames to represent numbers.
Common Core Alignment:
K.CC.3 - Know number names and the count sequence
K.CC.5 - Count to tell the number of objects
1.NBT.1 - Understand Place Value
1.NBT.2 - Understand Place Value
2.NBT.7 - Use place value understanding and properties of operations to add and subtract.