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Questions and Answers
What is the result of adding -8 and 5?
When adding -12 and -7, what is the correct sum?
If the sum of two integers is -4 and one of the integers is 7, what is the other integer?
Explain the rules for adding two integers with the same sign.
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Describe the process for adding two integers with different signs.
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If the sum of two integers is 0, what can you conclude about the two integers?
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Study Notes
Adding Integers
- The result of adding -8 and 5 is -3, as a positive number is subtracted from a negative number, resulting in a negative answer.
Rules for Adding Integers
- When adding two integers with the same sign (both positive or both negative), add their absolute values and give the result the same sign.
- When adding two integers with different signs, subtract the smaller absolute value from the larger absolute value, and give the result the sign of the integer with the larger absolute value.
Sum of Two Integers
- If the sum of two integers is -4 and one of the integers is 7, the other integer is -11, as subtracting 7 from the unknown integer gives -4.
- If the sum of two integers is 0, one integer is the opposite of the other, meaning they are additive inverses.
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Description
Practice adding integers with this grade 7 CCSS-aligned quiz. Test your knowledge by solving problems like adding -8 and 5, finding the correct sum of -12 and -7, and determining the other integer when the sum of two integers is -4 and one integer is 7.
