Expanded Notation Mastery for 5th Graders

What is the purpose of using expanded notation?

• To convert numbers into fractions

• To break down numbers into their place values

• To simplify large numbers

• To add numbers more easily

How do you write the digit 4 in the millions place in expanded notation?

• 4 x 10,000

• 4 x 100,000

• 4 x 1,000,000

• 4 x 1,000

What should you do when you encounter a zero in a place value?

• Write zero divided by the place value

• Write zero times the place value

• Skip the zero

• Multiply the zero by the next digit

How do you write the digit 1 in the tenths place in expanded notation?

• 1 x 1

• 1 x 0.001

• 1 x 0.01

• 1 x 0.1

Which of the following is the correct expanded notation for the digit 4 in the hundredths place?

• 4 x 0.1

• 4 x 0.01

• 4 x 0.001

• 4 x 1

What is the expanded notation for the digit 7 in the thousandths place?

• 7 x 0.1

• 7 x 0.01

• 7 x 0.001

• 7 x 1

In the practice problem, what is the expanded notation for the digit 3 in the tenths place?

• 3 x 0.01

• 3 x 1

• 3 x 0.1

• 3 x 0.001

How do you write the digit 4 in the hundredths place in the practice problem?

• 4 x 0.1

• 4 x 0.01

• 4 x 0.001

• 4 x 1

What is the expanded notation for the digit 2 in the thousandths place in the practice problem?

• 2 x 0.01

• 2 x 1

• 2 x 0.1

• 2 x 0.001

Why is it important not to include zeros in expanded notation?

• It avoids confusion

• Zeros do not affect the value

• All of the above

• It makes the notation simpler