Threesums: 60-Second Math Blitz

Random Science or typing Quiz

Can you name the sums of these three-number addition problems in just 60 seconds?

Updated Jul 22, 2013

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How to Play
Score 0/20 Timer 01:00
AddThree-sum
2+3+7
7+9+12
12+13+14
14+17+19
19+23+26
26+27+28
28+30+33
33+38+41
41+47+48
48+51+57
AddThree-sum
57+62+65
65+66+67
67+73+77
77+81+82
82+85+88
88+90+91
91+94+97
97+98+99
99+105+108
108+112+120

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