Video: Solving Word Problems Involving Addition and Subtraction

Charlotte had 98¢ and Daniel had 67¢. They put their money together and then spent 82¢ on a snack. How much was left?

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Video Transcript

Charlotte had 98 cents and Daniel had 67 cents. They put their money together and then spent 82 cents on a snack. How much was left?

So we know that Charlotte had 98 cents and Daniel had 67 cents. And then we’re told they put their money together. So we want to add that together. And then after they put it together, they spent 82 cents on a snack. So if they spent that money, they no longer have it, so they need to subtract it. So we need to subtract 82 cents. And then this will tell us how much money is left.

So first, 89 cents plus 67 cents is equal to 165 cents. Now, normally, we don’t say 165 cents. 165 cents is equal to one dollar and 65 cents, because 100 pennies or 100 cents makes one dollar. So we have one dollar and 65 cents right now.

And then they spent 82 cents on a snack, so we need to take that away. So instead of saying one dollar and 65 cents minus 82 cents, we can keep the original 165 cents. That way, we’re working with cents the whole time. So 165 cents minus 82 cents is equal to 83 cents. So after Charlotte and Daniel put their money together and then spent money on a snack, they had 83 cents left.

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