Grade 2-3 students read the story Add it Up!, explored ways of finding sums in their heads, then scripted dialogues to share with family and friends. The dialogues were used to make the song below, performed by the students.

I’m hungry Mom, How about a snack?
I’ll have Doritos.
They’re 25 cents and a chocolate bar is 98 cents.
Do we have enough money?
I forgot my calculator.
It’s easy Mom add 100 and 25, then subtract 2.

OHHH SMART
OHHH ADDITON
SMART ADDITION IS A COOL WAY TO ADD

Let’s go on the Sky Screamer.
Do you have enough money?
I have 99 cents in my purse and 45 cents in my pocket.
That’s 144 cents.
How did you add them so fast?
Easy mom, Add 100 and 45, then subtract a 1.

OHHH SMART
OHHH ADDITON
SMART ADDITION IS A COOL WAY TO ADD

Let’s buy some pets, I’ll have a cat
For $45.
I’ll have a fish for $29. How much is it for both?
I don’t know how to add them.
It’s so darn easy.
You have to add 30 and 45, then subtract the extra 1.

OHHH SMART
OHHH ADDITON
SMART ADDITION IS A COOL WAY TO ADD

I want Lego Star Wars and Lego Batman,
Dad, How much are they?
$59 and $29, I don’t have my calculator
You don’t need a calculator.
What are you talking about?
Just add 60 and 30, then subtract the extra 2.

OHHH SMART
OHHH ADDITON
SMART ADDITION IS A COOL WAY TO ADD