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These sample problems below for Fast Addition were generated by the MathScore.com engine.

Sample Problems For Fast Addition


Complexity=9, Mode=1

Add.
1.   1 + 1 = 2.   1 + 3 =

Complexity=9, Mode=2

Add.
1.   2 + 7 = 2.   2 + 4 =

Complexity=9, Mode=3

Add.
1.   3 + 2 = 2.   3 + 3 =

Complexity=9, Mode=4

Add.
1.   4 + 6 = 2.   4 + 8 =

Complexity=9, Mode=2-4

Add.
1.   4 + 3 = 2.   4 + 1 =

Complexity=9, Mode=5

Add.
1.   5 + 4 = 2.   5 + 7 =

Complexity=9, Mode=6

Add.
1.   6 + 3 = 2.   6 + 2 =

Complexity=9, Mode=7

Add.
1.   7 + 1 = 2.   7 + 7 =

Complexity=9, Mode=5-7

Add.
1.   7 + 1 = 2.   5 + 5 =

Complexity=9, Mode=8

Add.
1.   8 + 6 = 2.   8 + 7 =

Complexity=9, Mode=9

Add.
1.   9 + 9 = 2.   9 + 2 =

Complexity=10, Mode=8-10

Add.
1.   9 + 5 = 2.   8 + 6 =

Complexity=10

Add.
1.   6 + 6 = 2.   8 + 7 =

Complexity=12

Add.
1.   10 + 8 = 2.   4 + 10 =

Complexity=15

Add.
1.   14 + 15 = 2.   4 + 2 =

Complexity=17

Add.
1.   4 + 16 = 2.   17 + 9 =

Complexity=20

Add.
1.   19 + 7 = 2.   6 + 5 =

Answers


Complexity=9, Mode=1

Add.
#ProblemCorrect AnswerYour Answer
11 + 1 =
#ProblemCorrect AnswerYour Answer
21 + 3 =

Complexity=9, Mode=2

Add.
#ProblemCorrect AnswerYour Answer
12 + 7 =
#ProblemCorrect AnswerYour Answer
22 + 4 =

Complexity=9, Mode=3

Add.
#ProblemCorrect AnswerYour Answer
13 + 2 =
#ProblemCorrect AnswerYour Answer
23 + 3 =

Complexity=9, Mode=4

Add.
#ProblemCorrect AnswerYour Answer
14 + 6 =
#ProblemCorrect AnswerYour Answer
24 + 8 =
Solution
To add 8, add 10 and subtract 2.
4 + 10 = 14
14 - 2 = 12

Complexity=9, Mode=2-4

Add.
#ProblemCorrect AnswerYour Answer
14 + 3 =
#ProblemCorrect AnswerYour Answer
24 + 1 =

Complexity=9, Mode=5

Add.
#ProblemCorrect AnswerYour Answer
15 + 4 =
#ProblemCorrect AnswerYour Answer
25 + 7 =

Complexity=9, Mode=6

Add.
#ProblemCorrect AnswerYour Answer
16 + 3 =
#ProblemCorrect AnswerYour Answer
26 + 2 =

Complexity=9, Mode=7

Add.
#ProblemCorrect AnswerYour Answer
17 + 1 =
#ProblemCorrect AnswerYour Answer
27 + 7 =

Complexity=9, Mode=5-7

Add.
#ProblemCorrect AnswerYour Answer
17 + 1 =
#ProblemCorrect AnswerYour Answer
25 + 5 =

Complexity=9, Mode=8

Add.
#ProblemCorrect AnswerYour Answer
18 + 6 =
#ProblemCorrect AnswerYour Answer
28 + 7 =

Complexity=9, Mode=9

Add.
#ProblemCorrect AnswerYour Answer
19 + 9 =
Solution
To add 9, add 10 and subtract 1.
9 + 10 = 19
19 - 1 = 18
#ProblemCorrect AnswerYour Answer
29 + 2 =

Complexity=10, Mode=8-10

Add.
#ProblemCorrect AnswerYour Answer
19 + 5 =
#ProblemCorrect AnswerYour Answer
28 + 6 =

Complexity=10

Add.
#ProblemCorrect AnswerYour Answer
16 + 6 =
#ProblemCorrect AnswerYour Answer
28 + 7 =

Complexity=12

Add.
#ProblemCorrect AnswerYour Answer
110 + 8 =
Solution
To add 8, add 10 and subtract 2.
10 + 10 = 20
20 - 2 = 18
#ProblemCorrect AnswerYour Answer
24 + 10 =

Complexity=15

Add.
#ProblemCorrect AnswerYour Answer
114 + 15 =
#ProblemCorrect AnswerYour Answer
24 + 2 =

Complexity=17

Add.
#ProblemCorrect AnswerYour Answer
14 + 16 =
Solution
  1 
   4
+ 16
  20
#ProblemCorrect AnswerYour Answer
217 + 9 =
Solution
To add 9, add 10 and subtract 1.
17 + 10 = 27
27 - 1 = 26

Complexity=20

Add.
#ProblemCorrect AnswerYour Answer
119 + 7 =
Solution
  1 
  19
+  7
  26
#ProblemCorrect AnswerYour Answer
26 + 5 =

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