Subtracting 2-Digit Numbers Using Expanded Form

What is the main topic covered in this video?

• Multiplying two-digit numbers

• Adding two-digit numbers

• Dividing two-digit numbers

• Subtracting two-digit numbers using expanded form

Tags

CCSS.2.NBT.B.7

In the example 38 - 14, what is the expanded form of 38?

• 38 + 0

• 30 + 8

• 3 + 8

• 30 + 4

Tags

CCSS.2.OA.A.1

In the example 38 - 14, what is the expanded form of 14?

• 10 + 4

• 14 + 0

• 10 + 14

• 1 + 4

Tags

CCSS.2.OA.A.1

What is the result of 8 ones minus 4 ones in the example 38 - 14?

• 6

• 4

• 2

• 8

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What is the final answer of 38 - 14 in standard form?

• 24

• 28

• 22

• 26

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

In the example 79 - 42, what is the expanded form of 79?

• 70 + 9

• 79 + 0

• 70 + 2

• 7 + 9

Tags

CCSS.2.NBT.B.5

In the example 79 - 42, what is the expanded form of 42?

• 40 + 4

• 4 + 2

• 42 + 0

• 40 + 2

Tags

CCSS.2.NBT.B.5

What is the result of 9 ones minus 2 ones in the example 79 - 42?

• 6

• 5

• 7

• 8

Tags

CCSS.5.NBT.B.7

What is the final answer of 79 - 42 in standard form?

• 38

• 37

• 36

• 35

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the purpose of using expanded form in subtraction?

• To confuse the students

• To add more steps to the solution

• To better understand subtraction and place value

• To make the problem more complex

Tags

CCSS.7.NS.A.1C