Math Skill: Fast Addition

View Lesson | View Sample Problems | Do Worksheet

View Lesson | View Sample Problems | Do Worksheet

Instructional videos are displayed with permission from Khan Academy.

Fast Addition

Addition table

Use this table to help you memorize simple addition from 0 to 9.

Complexity=9, Mode=1

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

1. 1 + 4 =

2. 1 + 2 =

Complexity=9, Mode=2

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

1. 2 + 8 =

2. 2 + 3 =

Complexity=9, Mode=3

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

1. 3 + 3 =

2. 3 + 9 =

Complexity=9, Mode=4

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

1. 4 + 4 =

2. 4 + 7 =

Complexity=9, Mode=2-4

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

1. 4 + 1 =

2. 4 + 4 =

Complexity=9, Mode=5

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

1. 5 + 6 =

2. 5 + 4 =

Complexity=9, Mode=6

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

1. 6 + 7 =

2. 6 + 8 =

Complexity=9, Mode=7

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

1. 7 + 9 =

2. 7 + 4 =

Complexity=9, Mode=5-7

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

1. 7 + 9 =

2. 7 + 3 =

Complexity=9, Mode=8

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

1. 8 + 6 =

2. 8 + 1 =

Complexity=9, Mode=9

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

1. 9 + 4 =

2. 9 + 9 =

Complexity=10, Mode=8-10

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

1. 8 + 2 =

2. 10 + 5 =

Complexity=10

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

1. 2 + 10 =

2. 6 + 7 =

Complexity=12

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

1. 10 + 2 =

2. 1 + 3 =

Complexity=15

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

1. 5 + 14 =

2. 8 + 9 =

Complexity=17

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

1. 14 + 15 =

2. 5 + 15 =

Complexity=20

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

1. 6 + 18 =

2. 4 + 20 =

Answers

#	Problem	Correct Answer	Your Answer
1	1 + 4	=

#	Problem	Correct Answer	Your Answer
2	1 + 2	=

#	Problem	Correct Answer	Your Answer
1	2 + 8	=

#	Problem	Correct Answer	Your Answer
2	2 + 3	=

Complexity=9, Mode=3

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

#	Problem	Correct Answer	Your Answer
1	3 + 3	=

#	Problem	Correct Answer	Your Answer
2	3 + 9	=
Solution To add 9, add 10 and subtract 1. 3 + 10 = 13 13 - 1 = 12

#	Problem	Correct Answer	Your Answer
1	4 + 4	=

#	Problem	Correct Answer	Your Answer
2	4 + 7	=

#	Problem	Correct Answer	Your Answer
1	4 + 1	=

#	Problem	Correct Answer	Your Answer
2	4 + 4	=

#	Problem	Correct Answer	Your Answer
1	5 + 6	=

#	Problem	Correct Answer	Your Answer
2	5 + 4	=

Complexity=9, Mode=6

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

#	Problem	Correct Answer	Your Answer
1	6 + 7	=

#	Problem	Correct Answer	Your Answer
2	6 + 8	=
Solution To add 8, add 10 and subtract 2. 6 + 10 = 16 16 - 2 = 14

Complexity=9, Mode=7

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

#	Problem	Correct Answer	Your Answer
1	7 + 9	=
Solution To add 9, add 10 and subtract 1. 7 + 10 = 17 17 - 1 = 16

#	Problem	Correct Answer	Your Answer
2	7 + 4	=

Complexity=9, Mode=5-7

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

#	Problem	Correct Answer	Your Answer
1	7 + 9	=
Solution To add 9, add 10 and subtract 1. 7 + 10 = 17 17 - 1 = 16

#	Problem	Correct Answer	Your Answer
2	7 + 3	=

#	Problem	Correct Answer	Your Answer
1	8 + 6	=

#	Problem	Correct Answer	Your Answer
2	8 + 1	=

Complexity=9, Mode=9

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

#	Problem	Correct Answer	Your Answer
1	9 + 4	=

#	Problem	Correct Answer	Your Answer
2	9 + 9	=
Solution To add 9, add 10 and subtract 1. 9 + 10 = 19 19 - 1 = 18

#	Problem	Correct Answer	Your Answer
1	8 + 2	=

#	Problem	Correct Answer	Your Answer
2	10 + 5	=

#	Problem	Correct Answer	Your Answer
1	2 + 10	=

#	Problem	Correct Answer	Your Answer
2	6 + 7	=

#	Problem	Correct Answer	Your Answer
1	10 + 2	=

#	Problem	Correct Answer	Your Answer
2	1 + 3	=

Complexity=15

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

#	Problem	Correct Answer	Your Answer
1	5 + 14	=

#	Problem	Correct Answer	Your Answer
2	8 + 9	=
Solution To add 9, add 10 and subtract 1. 8 + 10 = 18 18 - 1 = 17