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Addition With Regrouping: 2-Digit Version
Add and regroup free-range chickens and hungry ants along with Marcos and his little brother, Jose, on their chicken farm. Marcos loves ants, but Jose thinks they're a good source of protein. Will Marcos be able to save his insect friends from Jose's hunger!? Press play to begin enjoying this 2-digit addition with regrouping song and find out how it all ends!
Song Lyrics:
Thirty-seven ants above ground,
plus forty-three ants underground.
Seven plus three equals ten.
Each one of them is my special insect friend.
Zero stays on the floor; the ten heads next door;
the sum is getting close, so I add once more.
One plus three is four, plus four is eight.
My little brother thinks they would taste great!
We mathematicians
add with precision,
regrouping tens when
we nd double digits in addition.
Twenty-nine hens are inside,
and fifteen hens are outside.
To find how many hens are in the coop,
we’ve gotta know how to add and regroup.
Nine plus five equals fourteen;
write the four; the ten carries.
One plus two is three, plus one is four.
I wish the farmer was a herbivore!
Sometimes we make errors—it’s inevitable,
but check your work, and it’ll be indubitable!
The best way to check your addition
is by subtraction—the inverse operation.
Take either addend, and subtract from the sum.
If you get the other addend, your work is done!
When presented with a double-digit problem,
Numberockers always check after we solve them!
Learn More
This song targets TEKS and Common Core learning standards from both 1st Grade and 2nd Grade. Look into the relevant standards here, or dig deeper into Addition here.
If you are interested in getting ideas on how to plan a robust standards-aligned 2-Digit Addition with Regrouping lesson, we recommend checking out Instructure's recommendations for common core standards 1.NBT.C.4, and 2.NBT.B.5 . These pages help break down standard language, lay out the grade-appropriate level of rigor for each concept, and offer a variety of suggestions for activities (lesson seeds) that help students achieve their learning targets
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