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engaging printable & digital math lessons for upper elementary teachers

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Practice composing and decomposing numbers using 1st grade task cards. Build number sense with tens and ones in unit form.
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Photo Box Labels
1. Clip Cards
2. Matching Cards
3. Math Sort
Answer Key & Recording Sheet
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Composing & Decomposing Numbers – 1st Grade Task Cards

Students practice composing and decomposing two-digit numbers using a set of engaging task card activities.
• Build and break apart numbers using unit form (tens and ones)
• Use drawings, objects, and equations to show understanding
• Perfect for small groups, centers, or independent practice

Florida BEST Learning Goal: I can compose and decompose two-digit numbers in multiple ways using tens and ones (unit form). I can demonstrate each composition or decomposition with objects, drawings and expressions or equations. (MA.1.NSO.1.3)

Grade Level: 1st Grade
Math Skills: Composing & Decomposing Numbers, Place Value
Resource Series: Math Task Card Centers

Part of our best-selling math centers collection, this task card set makes review, small groups, and test prep simple and effective. The consistent format builds independence and helps you keep math stations organized.

Each set includes:

  1. Clip Cards (18 cards) – Students solve problems and choose the correct answer.

  2. Matching Cards (18 sets) – Students match related cards to practice key skills and vocabulary.

  3. Math Sort (18 cards with category headers) – Students sort cards into categories to deepen their understanding of the concept.

This resource comes in both printable and digital formats and fits perfectly in standard photo boxes. Labels are included for easy storage all year long.

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