Addition Blast Off


How quickly can you do these 20 addition problems? Print this page. Before you begin, look at the clock and write the time on the top of the printed page. Write your answers to the problems. When you are finished, check the time to see how long it took. Click the link at the bottom of the page to check your answers.

1.   5 + 3 + 2 = 2.   6 + 3 + 3 = 3.   5 + 6 = 4.   1 + 3 + 6 = 5.   3 + 4 + 4 = 6.   2 + 4 + 7 = 7.   1 + 4 + 4 = 8.   5 + 2 + 7 = 9.   11 + 3 = 10.   5 + 11 + 3 =

11.   6 + 7 + 4 = 12.   11 + 10 = 13.   8 + 5 + 2 = 14.   15 + 8 = 15.   6 + 7 + 5 = 16.    2 + 3 + 11 = 17.   5 + 6 + 3 = 18.   8 + 2 + 3 = 19.   3 + 6 + 11 = 20.   4 + 6 + 3 =

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Answers

1.   5 + 3 + 2 = 10 2.   6 + 3 + 3 = 12 3.   5 + 6 = 11 4.   1 + 3 + 6 = 10 5.   3 + 4 + 4 = 11 6.   2 + 4 + 7 = 13 7.   1 + 4 + 4 = 9 8.   5 + 2 + 7 = 14 9.   11 + 3 = 14 10.   5 + 11 + 3 = 19

11.   6 + 7 + 4 = 17 12.   11 + 10 = 21 13.   8 + 5 + 2 = 15 14.   15 + 8 = 23 15.   6 + 7 + 5 = 18 16.    2 + 3 + 11 = 16 17.   5 + 6 + 3 = 14 18.   8 + 2 + 3 = 13 19.   3 + 6 + 11 = 20 20.   4 + 6 + 3 = 13

Did you get them all right? How long did it take?

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