4 Ways to Write a Number

What is the standard form of the number 123?

• 100 + 20 + 3

• 1, 2, 3

• One hundred twenty-three

• 123

How should the number 123 be written in word form?

• One hundred twenty three

• One hundred and twenty-three

• One hundred twenty-three

• One two three

In base 10 form, what does a small square represent?

• 1000

• 10

• 1

• 100

What is the expanded form of the number 123?

• One hundred twenty-three

• 100 + 20 + 3

• 1 + 2 + 3

• 123

Why is expanded form important in addition and subtraction?

• It helps in understanding place value.

• It is easier to read.

• It is used in multiplication.

• It makes numbers look bigger.