Math Practice Online: MathScore.com

Math Practice Online > free > lessons > Ohio > 9th grade > Fast Addition Reverse

If your child needs math practice, click here.

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

Sample Problems For Fast Addition Reverse


Complexity=9, Mode=10

Add.
1.   10 + 1 = 2.   10 + 3 =

Complexity=9, Mode=9

Add.
1.   9 + 7 = 2.   9 + 4 =

Complexity=9, Mode=8

Add.
1.   8 + 2 = 2.   8 + 3 =

Complexity=9, Mode=8,9

Add.
1.   8 + 6 = 2.   8 + 8 =

Complexity=9, Mode=7

Add.
1.   7 + 3 = 2.   7 + 1 =

Complexity=9, Mode=7-9

Add.
1.   7 + 4 = 2.   8 + 7 =

Complexity=9, Mode=6

Add.
1.   6 + 3 = 2.   6 + 2 =

Complexity=9, Mode=6-9

Add.
1.   6 + 1 = 2.   9 + 7 =

Complexity=9, Mode=5

Add.
1.   5 + 1 = 2.   5 + 5 =

Complexity=9, Mode=5-9

Add.
1.   9 + 6 = 2.   8 + 7 =

Complexity=9, Mode=4

Add.
1.   4 + 9 = 2.   4 + 2 =

Complexity=9, Mode=4-9

Add.
1.   5 + 5 = 2.   7 + 5 =

Complexity=9, Mode=3

Add.
1.   3 + 6 = 2.   3 + 5 =

Complexity=9, Mode=3-9

Add.
1.   8 + 7 = 2.   3 + 6 =

Complexity=9, Mode=2

Add.
1.   2 + 8 = 2.   2 + 6 =

Complexity=10

Add.
1.   3 + 9 = 2.   10 + 10 =

Answers


Complexity=9, Mode=10

Add.
#ProblemCorrect AnswerYour Answer
110 + 1 =
#ProblemCorrect AnswerYour Answer
210 + 3 =

Complexity=9, Mode=9

Add.
#ProblemCorrect AnswerYour Answer
19 + 7 =
#ProblemCorrect AnswerYour Answer
29 + 4 =

Complexity=9, Mode=8

Add.
#ProblemCorrect AnswerYour Answer
18 + 2 =
#ProblemCorrect AnswerYour Answer
28 + 3 =

Complexity=9, Mode=8,9

Add.
#ProblemCorrect AnswerYour Answer
18 + 6 =
#ProblemCorrect AnswerYour Answer
28 + 8 =
Solution
To add 8, add 10 and subtract 2.
8 + 10 = 18
18 - 2 = 16

Complexity=9, Mode=7

Add.
#ProblemCorrect AnswerYour Answer
17 + 3 =
#ProblemCorrect AnswerYour Answer
27 + 1 =

Complexity=9, Mode=7-9

Add.
#ProblemCorrect AnswerYour Answer
17 + 4 =
#ProblemCorrect AnswerYour Answer
28 + 7 =

Complexity=9, Mode=6

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

Complexity=9, Mode=6-9

Add.
#ProblemCorrect AnswerYour Answer
16 + 1 =
#ProblemCorrect AnswerYour Answer
29 + 7 =

Complexity=9, Mode=5

Add.
#ProblemCorrect AnswerYour Answer
15 + 1 =
#ProblemCorrect AnswerYour Answer
25 + 5 =

Complexity=9, Mode=5-9

Add.
#ProblemCorrect AnswerYour Answer
19 + 6 =
#ProblemCorrect AnswerYour Answer
28 + 7 =

Complexity=9, Mode=4

Add.
#ProblemCorrect AnswerYour Answer
14 + 9 =
Solution
To add 9, add 10 and subtract 1.
4 + 10 = 14
14 - 1 = 13
#ProblemCorrect AnswerYour Answer
24 + 2 =

Complexity=9, Mode=4-9

Add.
#ProblemCorrect AnswerYour Answer
15 + 5 =
#ProblemCorrect AnswerYour Answer
27 + 5 =

Complexity=9, Mode=3

Add.
#ProblemCorrect AnswerYour Answer
13 + 6 =
#ProblemCorrect AnswerYour Answer
23 + 5 =

Complexity=9, Mode=3-9

Add.
#ProblemCorrect AnswerYour Answer
18 + 7 =
#ProblemCorrect AnswerYour Answer
23 + 6 =

Complexity=9, Mode=2

Add.
#ProblemCorrect AnswerYour Answer
12 + 8 =
#ProblemCorrect AnswerYour Answer
22 + 6 =

Complexity=10

Add.
#ProblemCorrect AnswerYour Answer
13 + 9 =
Solution
To add 9, add 10 and subtract 1.
3 + 10 = 13
13 - 1 = 12
#ProblemCorrect AnswerYour Answer
210 + 10 =

MathScore.com

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