Math Practice Problems - Integer Addition

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Integer Addition - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=7, Mode=2

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Complexity=9, Mode=2

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Complexity=10, Mode=3

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Complexity=20, Mode=3

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Complexity=50, Mode=3

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Complexity=100, Mode=3

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Complexity=300, Mode=3

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Complexity=500, Mode=4

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Answers

Complexity=5, Mode=2

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Complexity=7, Mode=2

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Complexity=9, Mode=2

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Complexity=10, Mode=3

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Complexity=20, Mode=3

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#	Problem	Correct Answer	Your Answer
1	⁺16 + ^-12 + 7 =
Solution 16 + -12 = 16 - 12 = 4 4 + 7 = 11

#	Problem	Correct Answer	Your Answer
2	⁺14 + 11 + ^-9 =
Solution 14 + 11 = 25 25 + -9 = 25 - 9 = 16

Complexity=50, Mode=3

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#	Problem	Correct Answer	Your Answer
1	11 + ^-42 + ^-14 =
Solution 11 + -42 = -(42 - 11) = -31 -31 + -14 = -(31 + 14) = -45

#	Problem	Correct Answer	Your Answer
2	^-33 + ^-10 + ^-27 =
Solution -33 + -10 = -(33 + 10) = -43 -43 + -27 = -(43 + 27) = -70

Complexity=100, Mode=3

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#	Problem	Correct Answer	Your Answer
1	81 + ⁺7 + ^-91 =
Solution 81 + 7 = 88 88 + -91 = -(91 - 88) = -3

#	Problem	Correct Answer	Your Answer
2	⁺31 + ^-42 + ^-9 =
Solution 31 + -42 = -(42 - 31) = -11 -11 + -9 = -(11 + 9) = -20

Complexity=300, Mode=3

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#	Problem	Correct Answer	Your Answer
1	^-155 + ⁺280 + 82 =
Solution -155 + 280 = 280 - 155 = 125 125 + 82 = 207

#	Problem	Correct Answer	Your Answer
2	⁺46 + 241 + ^-244 =
Solution 46 + 241 = 287 287 + -244 = 287 - 244 = 43

Complexity=500, Mode=4

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#	Problem	Correct Answer	Your Answer
1	314 + ^-370 + ⁺249 + ^-155 =
Solution 314 + -370 = -(370 - 314) = -56 -56 + 249 = 249 - 56 = 193 193 + -155 = 193 - 155 = 38

#	Problem	Correct Answer	Your Answer
2	^-468 + ^-484 + 374 + ^-28 =
Solution -468 + -484 = -(468 + 484) = -952 -952 + 374 = -(952 - 374) = -578 -578 + -28 = -(578 + 28) = -606

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