Math Software Online: MathScore.com
 
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Long Addition to 1000 - 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=20

Add. Press TAB or ENTER to move to the next problem.

1.  
12
+ 3
2.  
5
+ 19

Complexity=60

Add. Press TAB or ENTER to move to the next problem.

1.  
20
+ 48
2.  
6
+ 28

Complexity=100

Add. Press TAB or ENTER to move to the next problem.

1.  
51
+ 86
2.  
44
+ 88

Complexity=250

Add. Press TAB or ENTER to move to the next problem.

1.  
62
+ 165
2.  
124
+ 238

Complexity=500

Add. Press TAB or ENTER to move to the next problem.

1.  
473
+ 491
2.  
472
+ 479

Answers


Complexity=20

Add. Press TAB or ENTER to move to the next problem.

#Correct AnswerYour Answer
1
12
+ 3
#Correct AnswerYour Answer
2
5
+ 19
Solution
  1 
   5
+ 19
  24

Complexity=60

Add. Press TAB or ENTER to move to the next problem.

#Correct AnswerYour Answer
1
20
+ 48
#Correct AnswerYour Answer
2
6
+ 28
Solution
  1 
   6
+ 28
  34

Complexity=100

Add. Press TAB or ENTER to move to the next problem.

#Correct AnswerYour Answer
1
51
+ 86
Solution
  1  
   51
+  86
  137
#Correct AnswerYour Answer
2
44
+ 88
Solution
  11 
   44
+  88
  132

Complexity=250

Add. Press TAB or ENTER to move to the next problem.

#Correct AnswerYour Answer
1
62
+ 165
Solution
  1  
   62
+ 165
  227
#Correct AnswerYour Answer
2
124
+ 238
Solution
   1 
  124
+ 238
  362

Complexity=500

Add. Press TAB or ENTER to move to the next problem.

#Correct AnswerYour Answer
1
473
+ 491
Solution
  1  
  473
+ 491
  964
#Correct AnswerYour Answer
2
472
+ 479
Solution
  11 
  472
+ 479
  951
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