Place Value

Whole Numbers and Decimals

Understanding place value is the foundation of all number sense. These foldable organizers help students visualize how digits shift in value, how decimals relate to whole numbers, and how patterns in powers of ten make computation easier. Perfect for interactive notebooks and hands‑on math instruction.

Interactive Place Value Chart

Click any place value position to learn its name, value, and how it relates to its neighbors!

Click a place to explore it

Billions
Billions
1,000,000,000
Hundred Millions
100,000,000
Ten Millions
10,000,000
Millions
Millions
1,000,000
Hundred Thousands
100,000
Ten Thousands
10,000
Thousands
Thousands
1,000
Ones
Hundreds
100
Tens
10
Ones
1
.
Decimals
Tenths
0.1
Hundredths
0.01
Thousandths
0.001
Ten Thousandths
0.0001
Hundred Thousandths
0.00001
Millionths
0.000001

Click any place value above to see information about it here.

Number Builder

Type any number (with or without decimals) and watch each digit drop into its place value position!

Powers of Ten Explorer

Enter a number, then multiply or divide by powers of ten. Watch how the digits shift left or right in the chart!

Key Pattern: Multiplying by 10 shifts all digits one place to the left. Dividing by 10 shifts all digits one place to the right. Try it with 34.5!

Place Value Sort Game

A number is shown with one digit highlighted. Click which place value that digit is in!

Question 1 of 12

Practice Problems

Choose a set and check your answers!

Answer each question about whole number place value.

Answer each question about decimal place value.

Type the value of the underlined digit. For example, in 345 the underlined digit 4 has a value of 40.

Free Place Value Organizers

Place Value Foldable Organizer Pack
This download includes both versions of the place value organizer: the full foldable chart with whole numbers and decimals, and the shorter simplified chart for younger students. Perfect for interactive notebooks and hands‑on place value lessons.
  Download Free PDF

Teaching Ideas

Teaching Idea Image

📘 Interactive Notebook Foldables

Students assemble the foldable place value chart and store it in their notebooks. The tabs reveal example values, helping students visualize how digits shift when multiplied or divided by powers of ten.

Teaching Idea Image

🔢 Whole Numbers & Decimals Side‑by‑Side

Use the organizer to show how the ones place acts as the “bridge” between whole numbers and decimals. Students quickly see how each place is ten times larger than the one to its right.

Teaching Idea Image

🧮 Powers of Ten Patterns

Have students write numbers under the tabs and observe how the digits shift when multiplied or divided by 10, 100, or 1,000. This builds a strong foundation for exponents and scientific notation.

Teaching Idea Image

📁 Organization Tip

Store original foldables in page protectors inside a three‑ring binder. Keep extra copies behind each master. This makes it easy to grab materials during class and keeps all organizers in one place.

Explore More Math Topics

Visit other math pages at Book Units Teacher: