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Kindergarten Addition Worksheets

Free printable kindergarten addition worksheets — start at 1+1, add up to 5+5, and build sums to 10. Answer key included.

📄 Free PDF✅ Answer Key🖨️ Print-Ready
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Preview: Kindergarten Addition Worksheets

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AdditionKindergartenFree Printable
Name: __________________    Date: __________

➕ Kindergarten Addition Worksheets

📖 Concept

Addition means putting groups together. Start with the smallest facts: 1 + 1 = 2, 2 + 2 = 4, 3 + 3 = 6.

✏️ Section A - Add

1. 1 + 1 = ____
2. 1 + 2 = ____
3. 2 + 1 = ____
4. 2 + 2 = ____

✏️ Section B - Sums to 10

1. 5 + 5 = ____
2. 6 + 4 = ____
3. 7 + 3 = ____
4. 5 + 4 = ____

✏️ Section C - Missing number

1. 1 + ____ = 3
2. 2 + ____ = 4
3. ____ + 1 = 5
4. 1 + ____ = 2
✅ Answer key preview: 2, 3, 3, 4, 4, 4, 5, 5 … (full key in PDF)
📖 Concept guide✏️ Practice problems✅ Answer key🖨️ A4 print-ready

📌 Also try: Number Bonds to 10

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About This Kindergarten Addition Worksheets Worksheet

This free printable kindergarten addition worksheet walks students from the very first facts (1+1, 1+2) up to sums of 10. Three graded sections build from single-digit addition, to sums to 10, to missing addends. Print on US Letter or A4 paper and use the answer key to check work quickly.

What Students Will Learn

Students learn that addition means combining groups, starting with the smallest facts and progressing to sums of 10. The final section introduces missing addends — early algebraic thinking.

How Teachers Can Use This Worksheet

How Parents and Homeschoolers Can Use This Worksheet

Count everyday objects in two groups and add them together. Five minutes a day, always with real objects, is far more effective than worksheets alone.

Skills Covered

addition facts · counting on · sums to 10 · missing addends · early number sense

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