Decomposing Teen Numbers No Prep Pack

Build number sense with these decomposing teen numbers worksheets (10–20). Just print and go for quick, focused practice.

Includes:

• 20+ no-prep pages
• 5 activity types with 4 variations each
• Number bonds, ten frames, base ten blocks, and equations

Activities cover:

• Building teens as 10 + ones
• Missing addends
• Base ten models to number bonds
• Writing equations from ten frames
• Showing equations using ten frames

Use for:

• Entry/exit tickets
• Independent or small group work
• Homework or sub plans

Skills developed:

• Decomposing teen numbers
• Place value understanding
• Addition concepts

Simple, repeatable practice with minimal prep.

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