Mastering 2-Digit Addition with Regrouping

The video tutorial covers the concept of two-digit addition with regrouping. It provides multiple examples, such as adding 26 and 18, 35 and 29, 28 and 15, 17 and 36, 25 and 15, and 39 and 27. Each example demonstrates the process of adding the ones, regrouping if necessary, and then adding the tens to find the final sum.

What is the sum of 26 and 18 after regrouping?

• 46

• 34

• 44

• 36

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many ones are left after adding the ones place in 26 + 18?

• 2

• 8

• 6

• 4

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 35 and 29 after regrouping?

• 84

• 54

• 64

• 74

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many tens are there in the sum of 35 + 29?

• 7

• 8

• 5

• 6

Tags

CCSS.1.NBT.C.5

What is the sum of 28 and 15 after regrouping?

• 63

• 33

• 53

• 43

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many ones are left after adding the ones place in 28 + 15?

• 3

• 5

• 7

• 9

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 17 and 36 after regrouping?

• 43

• 53

• 63

• 73

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many tens are there in the sum of 17 + 36?

• 4

• 5

• 6

• 7

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 25 and 15 after regrouping?

• 60

• 50

• 40

• 30

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 39 and 27 after regrouping?

• 66

• 76

• 86

• 56

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5