3 years ago

How do I do #3? I'm confused because I did it and I got 28 I did it twice but my teacher said that's not right answer

1 answer:

7 0

You were so close! The correct answer is -33. You did all of your steps right in the beginning, but -30 - 3 is not 28, it's -33. If you have to add or subtract and you have 2 negative signs, then you keep that sign and add the numbers together. I remember this by singing a song to myself to the tune of Row Row Row Your Boat to help me. My 7th grade math teacher came up with it for our class.

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