Missing Place Value (6 Digits)

Teaching Notes

Emphasize scanning by periods (thousands) and aligning addends before solving.

Vocabulary

Place Value: Value of a digit based on its position.

Expanded Form: Sum of digit values.

Common Mistakes

• Comparing digits without place context
• Misreading 100,000 vs 10,000
• Misaligning place values
• Incorrectly identifying digit value
• Forgetting zeros in expanded form
• Confusing standard and expanded form

Differentiation

Discussion Questions

• Which place decides the answer fastest?
• How can estimation check your result?
• How does place value help understand large numbers?
• What is the value of a zero in a number?
• Explain the value of each digit in 123,456.
• How are standard and expanded form related?

Extension Activities

• Write a riddle with a missing place value
• Create two numbers that share all places except one

Parent Tip

Ask your child to say large numbers aloud, pointing to place values.

Skill Cluster

Number Sense & Place Value

Skills Practiced

Prerequisites

• 719
• 722
• Place Value to Thousands
• Expanded Form Introduction
• Number Representation

Next Steps

• Place Value to Millions
• Comparing Large Numbers
• Rounding Large Numbers
• Expanded Form (6 Digits)
• Writing Numbers in Standard Form
• Comparing Numbers (6 Digits)