Question 1
Sam changes 4 20-cent coins for 10-cent coins. How many does he get?
Change one coin for several smaller ones
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Question 2
Sam changes 1 $2 coin for $1 coins. How many does he get?
Question 3
Sam changes 1 20-cent coin for 10-cent coins. How many does he get?
Topic quiz
Five questions on this topic, marked at the end. No hints and no answers along the way — that is what makes the result mean something.
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