Adding 2-Digit Numbers Without Regrouping

What is the first step when adding two-digit numbers?

• Subtract the smaller digit from the larger one

• Add both digits together

• Start with the ones place

• Start with the tens place

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 21 + 15, what is the sum of the ones place?

• 8

• 7

• 6

• 5

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 21 + 15, what is the sum of the tens place?

• 5

• 4

• 3

• 2

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 47 + 32, what is the sum of the ones place?

• 9

• 7

• 10

• 8

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 47 + 32, what is the sum of the tens place?

• 7

• 9

• 6

• 8

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 63 + 34, what is the sum of the ones place?

• 9

• 8

• 7

• 6

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 63 + 34, what is the sum of the tens place?

• 11

• 10

• 9

• 8

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 53 + 25, what is the sum of the ones place?

• 10

• 9

• 8

• 7

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example 53 + 25, what is the sum of the tens place?

• 8

• 7

• 6

• 9

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the final answer for the example 53 + 25?

• 77

• 78

• 76

• 79

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5