Anyone elses 8 month old throwing tantrums lol

If i take something off of her.. say for example Im trying to show her how to do something, i let her try it a few times and then get it off her to show her again she will cry and legit throw herself backwards when sitting which results in her hitting her head 😐 she only started this recently.

Her sleep has been horrible and she just wants to be rocked. She is teething (top teeth coming through) so i understand its because of that but wow i didnt know 8 month olds were capable of such tantrums 😂