Students will practice their subtraction fluency by writing the different of the subtraction problem on the end of each snowflake. There are snowflakes for each fact family 1-20. There are 24 snowflakes in all, some are mixed equations.
Common Core Standard:
CCSS.Math.Content.1.OA.C.6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.