Turn it: a vowel with an odd number would break the rule.
Which cards must you turn over?
Test the rule by choosing only the cards you need.
The rule
If a card has a vowel on one side, then it has an even number on the other side.
Check your answer to see the result and explanation.
You’ll learn which cards matter and why.
Turn it: an odd number with a vowel would also break the rule.
Leave them: the rule makes no claim about consonants or what must be behind an even number.