Addition up to 20 worksheet - Free Printable

Let’s solve the worksheet step by step.

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## Part 1: Count and add up to 20. Write the answer in the box.

We need to count the items in each group, add them together, and write the total.

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First problem: Bees

- Left side: 3 rows of 3 bees → 3 × 3 = 9 bees
- Right side: 3 rows — top row has 3, middle has 3, bottom has 2 → 3 + 3 + 2 = 8 bees
- Total: 9 + 8 = 17

✔ Answer: 17

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Second problem: Soda cans

- Left side: 2 rows of 4 cans → 2 × 4 = 8 cans
- Right side: Top row has 4 cans, bottom row has 3 cans → 4 + 3 = 7 cans
- Total: 8 + 7 = 15

✔ Answer: 15

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Third problem: Lions

- Left side: 2 rows of 3 lions → 2 × 3 = 6 lions
- Right side: 2 rows — top row has 3, bottom row has 3 → 3 + 3 = 6 lions
- Total: 6 + 6 = 12

✔ Answer: 12

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## Part 2: Identify the larger number and count on. Write the answer on the line.

The instruction says to “identify the larger number and count on” — this is a strategy where you start with the bigger number and count up by the smaller number.

Example: For 14 + 2 → Start at 14, count up 2 → 15, 16 → Answer: 16

Let’s solve each:

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14 + 2 = ___

- Larger number: 14
- Count on 2: 15, 16
✔ Answer: 16

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12 + 7 = ___

- Larger number: 12
- Count on 7: 13, 14, 15, 16, 17, 18, 19
✔ Answer: 19

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7 + 6 = ___

- Larger number: 7
- Count on 6: 8, 9, 10, 11, 12, 13
✔ Answer: 13

*(Alternatively, 6 + 7 is the same, but since 7 > 6, we start at 7)*

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2 + 9 = ___

- Larger number: 9
- Count on 2: 10, 11
✔ Answer: 11

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4 + 9 = ___

- Larger number: 9
- Count on 4: 10, 11, 12, 13
✔ Answer: 13

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8 + 3 = ___

- Larger number: 8
- Count on 3: 9, 10, 11
✔ Answer: 11

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## ✔ Final Answers:

Part 1:

- Bees: 17
- Cans: 15
- Lions: 12

Part 2:

- 14 + 2 = 16
- 12 + 7 = 19
- 7 + 6 = 13
- 2 + 9 = 11
- 4 + 9 = 13
- 8 + 3 = 11

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You can now fill in the boxes and lines with these answers! 🐝🥤🦁