Here are many activities that your students will love and you will find meaningful.
There are matching games for subitizing.
I have, who has cards for recognizing numbers in ten frames.
Interactive math wall- just print, laminate and use daily for fluency, your students will learn several representations of numbers.
Decomposing and Composing center and blank cards for students who are ready to write number sentences.
A collection of four boards- roll that number, what number is missing on the number line, recognizing ten frames and writing standard form and lastly a match.