Addition facts · +3

The Plus 3 Facts

Adding 3: count on, or use a double. Every question in this game has a 3 in it.

Plus 3 chart

Number + 3	3 + number
1 + 3 = 4	3 + 1 = 4
2 + 3 = 5	3 + 2 = 5
3 + 3 = 6	same fact turned around
4 + 3 = 7	3 + 4 = 7
5 + 3 = 8	3 + 5 = 8
6 + 3 = 9	3 + 6 = 9
7 + 3 = 10	3 + 7 = 10
8 + 3 = 11	3 + 8 = 11
9 + 3 = 12	3 + 9 = 12
10 + 3 = 13	3 + 10 = 13

How to learn the +3 facts

Count on from the big number

3 is the last number that's comfortable to count on: for 8 + 3, say 9, 10, 11.

Use the double next door

3 + 4 is 3 + 3 and one more. Seeing that is quicker than counting.

Play the plus 3 game

Every question uses 3

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

Open the game full screen

Quick quiz

Keep going

←Plus 2 →Plus 4 −3Minus 3 facts Print a drill

Plus 3 FAQ

What's the easiest way to add 3?

Count on from the big number. 3 is the last number that's comfortable to count on: for 8 + 3, say 9, 10, 11.

Does 3 + 7 give the same answer as 7 + 3?

Yes, 10 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