This addition and subtraction rap song gives students practice adding and subtracting with doubles plus one, like 2 + 3 or 7 + 8. The math hip-hop song begins with mnemonics to help students remember math facts. The second half of the song contains practice problems which challenge students to sing out the answer before we do.

Flocab! It’s time for the double.

Double plus one, that is. Let’s go!

Check it out: If you know your doubles,

Your doubles-plus-one

Won’t give you any trouble.

4 + 5 is clear to some,

That’s the same as 4 + 4 + 1.

Since 4 + 4 is 8,

Then 4 + 5 is 9, OK?

Yeah, and here’s the beauty of math,

You could add one or subtract.

You could double the number that’s bigger,

And then subtract one, yeah, go figure.

Like 5 + 4 is clear to some,

That’s 5 + 5 - 1.

Since 5 + 5 = 10,

5 + 4 is 9, my friends.

It’s the same thing,

So c'mon put your hands up and let’s begin.

Did you see me win? Oh, yes, I won.

I guess I won with my double plus one.

My double plus one, yeah, that’s the one,

My double plus one

Always gets the job done. (x2)

If I’m on the track, it must be fun,

Let’s review our double-plus-ones.

1 + 2, well, let’s see,

1 + 2 = 3

2 + 3 is on my side,

2 + 3 = 5

3 + 4, better call your reverend,

3 + 4 = 7

4 + 5 is on the line,

4 + 5 = 9

5 + 6 is four more than seven,

5 + 6 = 11

6 + 7 knows what words mean,

6 + 7 = 13

7 + 8 is like a Swiss queen,

7 + 8 = 15

8 + 9, it better be,

8 + 9 = 17

9 + 10 is like a fine team,

9 + 10 = 19

You heard my rhymes, but we’re not done,

It’s your turn for double plus one!

4 + 5 =

2 + 3 =

7 + 8 =

5 + 6 =

9 + 10 =

6 + 7 =

8 + 9 =

1 + 2 =

3 + 4 =

Did you see me win? Oh, yes, I won.

I guess I won with my double plus one.

My double plus one, yeah, that’s the one,

My double plus one

Always gets the job done. (x2)

4 + 5 = 9

2 + 3 = 5

7 + 8 = 15

5 + 6 = 11

9 + 10 = 19

6 + 7 = 13

8 + 9 = 17

1 + 2 = 3

3 + 4 = 7