MathematicsFreePrintable

Addition Subtraction Within 20

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Addition Subtraction Within 20 worksheet preview

Addition Subtraction Within 20

Math counters and number line illustration

🔢 Part 1: Addition and Subtraction Practice

I can add and subtract numbers up to 20.

1. Solve these problems. Show your work with drawings or numbers:

8 + 5 = ____

12 - 7 = ____

9 + 6 = ____

2. Circle the correct answer:

What is 14 - 8?

5

6

7

8

3. What is 7 + 9?

15

16

17

18

📖 Part 2: Word Problems

I can solve word problems by drawing pictures and using numbers.

4. Maya has 13 stickers. She gives 5 stickers to her friend. How many stickers does Maya have now?

Draw or show your work:

Answer: Maya has _____ stickers.

5. There are 8 birds in a tree. Then 6 more birds fly to the tree. How many birds are in the tree now?

Draw or show your work:

Answer: There are _____ birds in the tree.

6. Challenge Problem: Sam has 15 marbles. He loses 4 marbles and then finds 3 more. How many marbles does Sam have now?

Show your steps:

Answer: Sam has _____ marbles.

🧠 Part 3: Explain Your Thinking

I can explain my answers using pictures or numbers.

7. Look at this problem: 11 - 6 = 5

Explain how you could solve this problem. What strategy would you use?

8. Extension Activity: Write your own addition or subtraction word problem using numbers up to 20:

Answer to your problem: _______

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