Double Digit Addition with Regrouping: 2-Digit Addition for 1st Grade-2nd Grade

Add and regroup chickens and ants with Marcos and his little brother, Jose, on their farm. Marcos loves ants, and Jose thinks they're a good source of protein... Will Marcos be able to save his insect friends from Jose's hunger!? Watch this song about triple digit addition with regrouping to find out what happens.

CLICK HERE to play NUMBEROCK’s printable game, create a colorful anchor chart, and get illustrated worksheets, word problems, and more for inquiring students who will be unusually motivated after watching our engaging video freebie.


Resources not included in the free version of this video:

✦ Animated Music Video in HD (Downloadable) ✦
✦ Illustrated Lyric Sheet ✦
✦ Illustrated Fill-in-the-Blanks Math Vocabulary Drill ✦
✦ Double Sided Worksheet with Word Problems ✦
✦ Extra Drills Worksheet
✦ Printable Game ✦
✦ HW Sheet ✦
✦ Colorful Bulletin Board ✦
✦ Short Quiz / Exit Quiz ✦
✦ Answer Key ✦
✦ CD-Quality Song MP3 ✦
✦ Written Out Lesson Plan ✦


Through the power of music's unique quality to lodge a message into our minds via the most frictionless of ways - a catchy melody - NUMBEROCK’s holistic math program unlocks the gate that so often blocks the smooth transition of information from the teacher to the student. Your students will be more excited about the material, more confident in test preparation, and able to perform better when it counts! CLICK HERE to see NUMBEROCK's growing library of math songs.

Video aligns with the following common core math standards

1.NBT.C.4 ✦ 1.NBT.4
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

2.NBT.B.5 ✦ 2.NBT.5
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

2.NBT.B.7 ✦ 2.NBT.7
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

2.NBT.B.9 ✦ 2.NBT.9
Explain why addition and subtraction strategies work, using place value and the properties of operations.


Video aligns with the following Math TEKS standards

Math TEK 1.5G Apply properties of operations to add and subtract two or three numbers.

Math TEK 2.4B: Add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations

Math TEK 2.4C: Solve one-step and multi-step word problems involving addition and subtraction within 1,000 using a variety of strategies based on place value, including algorithms.

Math TEK 2.4D: Generate and solve problem situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 1,000.