Placement with other punctuation: A period or comma always go inside closing quotation marks. ("We hope to win the game," he said.) A dash, semicolon, question mark and exclamation point go inside ...
and may be used to close questions that are meant to convey extreme emotion (What were you thinking!). Put an exclamation point inside closing quotation marks when the punctuation applies to the ...
Avoid excessive use of exclamation marks. Be ambitious – practise using sophisticated punctuation such as semi-colons and colons. Proofread your work carefully.
A Bitesize Primary guide to hyphens and dashes with an animation and activity might help your students further practise punctuation. KS1 English: Grammar Rules with Braydon Bent and Moonbeam.