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Grade 7 Integer Addition Quiz

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Questions and Answers

What is the result of adding -8 and 5?

-13

-3 (correct)

When adding -12 and -7, what is the correct sum?

-19 (correct)

-5

If the sum of two integers is -4 and one of the integers is 7, what is the other integer?

-3

-11 (correct)

Explain the rules for adding two integers with the same sign.

When adding two integers with the same sign, you add their absolute values and keep the sign of the original numbers. For example, when adding -8 and -5, you add 8 and 5 to get 13, then keep the negative sign to get -13. Signup and view all the answers

Describe the process for adding two integers with different signs.

When adding two integers with different signs, you subtract the smaller absolute value from the larger absolute value, and keep the sign of the number with the larger absolute value. For example, when adding -12 and 7, you subtract 7 from 12 to get 5, and keep the negative sign to get -5. Signup and view all the answers

If the sum of two integers is 0, what can you conclude about the two integers?

If the sum of two integers is 0, it means that the two integers are additive inverses of each other. In other words, one integer is the opposite of the other. For example, if the sum is 0, one integer could be 5 and the other -5. Signup and view all the answers

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.