Addition of Two-Digit Numbers with Regrouping

The video tutorial teaches the addition of two-digit numbers with regrouping using visual aids like bamboo sticks, fruit bunches, and animals in a village setting. It explains the process of grouping numbers into tens and ones, adding them, and carrying over when necessary. The tutorial provides step-by-step instructions for adding numbers such as 15, 28, and 47, as well as 53, 16, and 22, and finally 10, 16, and 25, to find totals of bamboo sticks, fruit bunches, and animals, respectively.

How many red bamboo sticks are there in the village?

• 90

• 47

• 28

• 15

Tags

CCSS.1.NBT.A.1

What is the first step in adding the bamboo sticks?

• Add the tens

• Group the sticks

• Count the sticks

• Add the ones

Tags

CCSS.2.NBT.B.6

How many ones do you get when you add 5 ones, 8 ones, and 7 ones?

• 25

• 20

• 15

• 10

Tags

CCSS.2.NBT.B.6

What do you do with the 20 ones after adding them?

• Add more ones

• Regroup into tens

• Leave them as is

• Subtract from tens

Tags

CCSS.2.NBT.B.6

How many bunches of bananas are there in the fruit farm?

• 16

• 22

• 53

• 91

Tags

CCSS.1.NBT.A.1

What is the total number of bunches of fruits in the farm?

• 53

• 91

• 22

• 16

Tags

CCSS.1.NBT.A.1

How many goats are there in the village?

• 10

• 16

• 25

• 51

Tags

CCSS.1.NBT.A.1

What is the total number of animals in the village?

• 51

• 41

• 61

• 71

Tags

CCSS.1.NBT.A.1

What is the sum of 10, 16, and 25?

• 41

• 61

• 71

• 51

Tags

CCSS.2.NBT.B.6

Did you enjoy the visit to the village?

• Not sure

• No

• Maybe

• Yes

Tags

CCSS.L.1.1J

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.K.1D