Writing 2-Digit Numbers in Expanded Form

What is the purpose of writing numbers in expanded form?

• To show the value of each digit

• To make numbers look bigger

• To change the number's value

• To make calculations easier

Tags

CCSS.4.NBT.A.2

In the number 26, what does the digit 2 represent?

• 20 tens

• 20 ones

• 2 tens

• 2 ones

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the expanded form of 26?

• 2 + 6

• 20 + 6

• 26

• 200 + 60

Tags

CCSS.1.NBT.A.1

In the number 43, what is the value of the digit 4?

• 4

• 4 tens

• 40

• 400

Tags

CCSS.4.NBT.A.1

What is the expanded form of 43?

• 4 + 3

• 40 + 3

• 43

• 400 + 30

Tags

CCSS.1.NBT.A.1

In the number 79, what does the digit 7 represent?

• 7 ones

• 70 ones

• 70 tens

• 7 tens

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the expanded form of 79?

• 7 + 9

• 70 + 9

• 79

• 700 + 90

Tags

CCSS.2.NBT.A.3

In the number 81, what is the value of the digit 8?

• 8 tens

• 800

• 80

• 8

Tags

CCSS.4.NBT.A.1

What is the expanded form of 81?

• 800 + 10

• 80 + 1

• 8 + 1

• 81

Tags

CCSS.2.NBT.A.3

Why do we start with the greatest valued digit when writing numbers in expanded form?

• To confuse the reader

• Because it is easier

• To show the value of each digit starting from the left

• To make the number look bigger

Tags

CCSS.2.NBT.A.3