Math Practice Online: MathScore.com

Math Practice Online > free > lessons > Florida > 7th grade > Positive Integer Subtraction

If your child needs math practice, click here.

These sample problems below for Positive Integer Subtraction were generated by the MathScore.com engine.

Sample Problems For Positive Integer Subtraction


Complexity=5, Mode=2

Subtract.
1.   - 2 - + 2 2.   2 - + 1

Complexity=7, Mode=2

Subtract.
1.   + 4 - + 1 2.   - 6 - 4

Complexity=9, Mode=2

Subtract.
1.   - 5 - 5 2.   4 - 7

Complexity=10, Mode=3

Subtract.
1.   7 - + 10 - + 1 2.   10 - + 10 - + 3

Complexity=20, Mode=3

Subtract.
1.   - 5 - 11 - + 11 2.   11 - + 9 - + 6

Complexity=50, Mode=3

Subtract.
1.   - 39 - 12 - + 33 2.   + 29 - 4 - 48

Complexity=100, Mode=3

Subtract.
1.   - 54 - 60 - + 22 2.   + 56 - 49 - 24

Complexity=300, Mode=3

Subtract.
1.   + 36 - 265 - + 255 2.   + 9 - + 245 - 237

Complexity=500, Mode=4

Subtract.
1.   240 - 95 - 65 - + 298 2.   - 341 - 220 - 344 - 286

Answers


Complexity=5, Mode=2

Subtract.
#ProblemCorrect AnswerYour Answer
1- 2 - + 2
Solution
-2 - 2 = -(2 + 2) = -4
#ProblemCorrect AnswerYour Answer
22 - + 1
Solution
2 - 1 = 1

Complexity=7, Mode=2

Subtract.
#ProblemCorrect AnswerYour Answer
1+ 4 - + 1
Solution
4 - 1 = 3
#ProblemCorrect AnswerYour Answer
2- 6 - 4
Solution
-6 - 4 = -(6 + 4) = -10

Complexity=9, Mode=2

Subtract.
#ProblemCorrect AnswerYour Answer
1- 5 - 5
Solution
-5 - 5 = -(5 + 5) = -10
#ProblemCorrect AnswerYour Answer
24 - 7
Solution
4 - 7 = -(7 - 4) = -3

Complexity=10, Mode=3

Subtract.
#ProblemCorrect AnswerYour Answer
17 - + 10 - + 1
Solution
7 - 10 = -(10 - 7) = -3
-3 - 1 = -(3 + 1) = -4
#ProblemCorrect AnswerYour Answer
210 - + 10 - + 3
Solution
10 - 10 = 0
0 - 3 = -(3 - 0) = -3

Complexity=20, Mode=3

Subtract.
#ProblemCorrect AnswerYour Answer
1- 5 - 11 - + 11
Solution
-5 - 11 = -(5 + 11) = -16
-16 - 11 = -(16 + 11) = -27
#ProblemCorrect AnswerYour Answer
211 - + 9 - + 6
Solution
11 - 9 = 2
2 - 6 = -(6 - 2) = -4

Complexity=50, Mode=3

Subtract.
#ProblemCorrect AnswerYour Answer
1- 39 - 12 - + 33
Solution
-39 - 12 = -(39 + 12) = -51
-51 - 33 = -(51 + 33) = -84
#ProblemCorrect AnswerYour Answer
2+ 29 - 4 - 48
Solution
29 - 4 = 25
25 - 48 = -(48 - 25) = -23

Complexity=100, Mode=3

Subtract.
#ProblemCorrect AnswerYour Answer
1- 54 - 60 - + 22
Solution
-54 - 60 = -(54 + 60) = -114
-114 - 22 = -(114 + 22) = -136
#ProblemCorrect AnswerYour Answer
2+ 56 - 49 - 24
Solution
56 - 49 = 7
7 - 24 = -(24 - 7) = -17

Complexity=300, Mode=3

Subtract.
#ProblemCorrect AnswerYour Answer
1+ 36 - 265 - + 255
Solution
36 - 265 = -(265 - 36) = -229
-229 - 255 = -(229 + 255) = -484
#ProblemCorrect AnswerYour Answer
2+ 9 - + 245 - 237
Solution
9 - 245 = -(245 - 9) = -236
-236 - 237 = -(236 + 237) = -473

Complexity=500, Mode=4

Subtract.
#ProblemCorrect AnswerYour Answer
1240 - 95 - 65 - + 298
Solution
240 - 95 = 145
145 - 65 = 80
80 - 298 = -(298 - 80) = -218
#ProblemCorrect AnswerYour Answer
2- 341 - 220 - 344 - 286
Solution
-341 - 220 = -(341 + 220) = -561
-561 - 344 = -(561 + 344) = -905
-905 - 286 = -(905 + 286) = -1191

MathScore.com

Copyright Accurate Learning Systems Corporation 2008.
MathScore is a registered trademark.