Understanding Expanded Notation

What is the first step in representing a number using expanded notation?

• Writing the number in words

• Typing the number into a place value chart

• Using place value disks

• Drawing a number line

How many place value disks are needed to represent the number 7,000?

• Zero disks

• Nine disks

• Four disks

• Seven disks

Which place value does not require any disks for the number 7,049?

• Ones

• Tens

• Hundreds

• Thousands

How is the number 7,049 expressed in expanded notation?

• 7,000 + 400 + 90

• 7 x 100 + 4 x 10 + 9

• 7 x 1,000 + 4 x 10 + 9 x 1

• 7,000 + 40 + 9

What does the multiplication symbol represent in expanded notation?

• Addition of numbers

• Groups of numbers

• Subtraction of numbers

• Division of numbers