Math Practice Problems - Positive Integer Subtraction

Positive Integer Subtraction - 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=10, Mode=3

Subtract.

#	Problem	Correct Answer	Your Answer
1	^-8 - 0 - ⁺4 =
Solution -8 - 0 = -(8 + 0) = -8 -8 - 4 = -(8 + 4) = -12

#	Problem	Correct Answer	Your Answer
2	^-7 - ⁺4 - 0 =
Solution -7 - 4 = -(7 + 4) = -11 -11 - 0 = -(11 + 0) = -11

Complexity=20, Mode=3

Subtract.

#	Problem	Correct Answer	Your Answer
1	^-16 - 1 - 1 =
Solution -16 - 1 = -(16 + 1) = -17 -17 - 1 = -(17 + 1) = -18

#	Problem	Correct Answer	Your Answer
2	^-11 - 13 - ⁺13 =
Solution -11 - 13 = -(11 + 13) = -24 -24 - 13 = -(24 + 13) = -37

Complexity=50, Mode=3

Subtract.

#	Problem	Correct Answer	Your Answer
1	^-46 - ⁺32 - 48 =
Solution -46 - 32 = -(46 + 32) = -78 -78 - 48 = -(78 + 48) = -126

#	Problem	Correct Answer	Your Answer
2	^-16 - 16 - 2 =
Solution -16 - 16 = -(16 + 16) = -32 -32 - 2 = -(32 + 2) = -34

Complexity=100, Mode=3

Subtract.

#	Problem	Correct Answer	Your Answer
1	^-90 - ⁺29 - ⁺81 =
Solution -90 - 29 = -(90 + 29) = -119 -119 - 81 = -(119 + 81) = -200

#	Problem	Correct Answer	Your Answer
2	⁺76 - ⁺48 - ⁺48 =
Solution 76 - 48 = 28 28 - 48 = -(48 - 28) = -20

Complexity=300, Mode=3

Subtract.

#	Problem	Correct Answer	Your Answer
1	^-229 - ⁺172 - ⁺214 =
Solution -229 - 172 = -(229 + 172) = -401 -401 - 214 = -(401 + 214) = -615

#	Problem	Correct Answer	Your Answer
2	99 - ⁺2 - ⁺195 =
Solution 99 - 2 = 97 97 - 195 = -(195 - 97) = -98

Complexity=500, Mode=4

Subtract.

#	Problem	Correct Answer	Your Answer
1	⁺196 - 49 - ⁺210 - ⁺454 =
Solution 196 - 49 = 147 147 - 210 = -(210 - 147) = -63 -63 - 454 = -(63 + 454) = -517

#	Problem	Correct Answer	Your Answer
2	⁺193 - ⁺66 - 105 - ⁺155 =
Solution 193 - 66 = 127 127 - 105 = 22 22 - 155 = -(155 - 22) = -133

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Positive Integer Subtraction - Sample Math Practice Problems

Complexity=5, Mode=2

Complexity=7, Mode=2

Complexity=9, Mode=2

Complexity=10, Mode=3

Complexity=20, Mode=3

Complexity=50, Mode=3

Complexity=100, Mode=3

Complexity=300, Mode=3

Complexity=500, Mode=4

Answers

Complexity=5, Mode=2

Complexity=7, Mode=2

Complexity=9, Mode=2

Complexity=10, Mode=3

Complexity=20, Mode=3

Complexity=50, Mode=3

Complexity=100, Mode=3

Complexity=300, Mode=3

Complexity=500, Mode=4