Addition facts · +8

The Plus 8 Facts

Adding 8: give 2 to make 10. Every question in this game has a 8 in it.

Play the +8 game See the chart

Plus 8 chart

Number + 88 + number
1 + 8 = 98 + 1 = 9
2 + 8 = 108 + 2 = 10
3 + 8 = 118 + 3 = 11
4 + 8 = 128 + 4 = 12
5 + 8 = 138 + 5 = 13
6 + 8 = 148 + 6 = 14
7 + 8 = 158 + 7 = 15
8 + 8 = 16same fact turned around
9 + 8 = 178 + 9 = 17
10 + 8 = 188 + 10 = 18

How to learn the +8 facts

Give 2 to make 10

8 needs just 2 to make 10. So 8 + 6 is 10 + 4: 14.

Two less than 10

8 + 5: 10 + 5 is 15, and 8 is two less than 10, so 13.

Play the plus 8 game

Every question uses 8

Free to play · no signup · works on phones, tablets and computers

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Quick quiz

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←Plus 7→Plus 9−8Minus 8 factsPrint a drill

Plus 8 FAQ

What's the easiest way to add 8?

Give 2 to make 10. 8 needs just 2 to make 10. So 8 + 6 is 10 + 4: 14.

Does 8 + 7 give the same answer as 7 + 8?

Yes, 15 both ways. Adding works in either order.

Is Sumtown really free?

Yes. The whole game plays free in your browser, with no signup, no ads and no time limit. All fourteen mini games are in it. An iPhone app is on its way, and you can read what it will add.

An app is on its way

We're building a Sumtown app for iPhone with the parts that need a real app: offline play for car rides, a town map that remembers how far your child got, and a parent report on every fact. Until then, the whole game is free right here.

Coming soon on theApp Store