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Number Line Addition Practice

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Number Line Addition Practice

Number Line Addition Practice

Number line with jumping frog

📏 Part 1: Adding on Number Lines

1. Use the number line to solve 20 + 30. Draw jumps to show your work.

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

Answer: 20 + 30 = _______

2. Use the number line to solve 40 + 20. Draw jumps to show your work.

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

Answer: 40 + 20 = _______

3. Use the number line to solve 15 + 20. Draw jumps to show your work.

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

Answer: 15 + 20 = _______

🦘 Part 2: Jumping Forward

4. Start at 25. Add 30 by making jumps on the number line.

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

I started at _______ and jumped _______ to land on _______

5. Start at 35. Add 40 by making jumps on the number line.

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

I started at _______ and jumped _______ to land on _______

🎯 Part 3: Choose the Correct Answer

6. Which shows the correct way to add 30 + 20 on a number line?

Start at 30, jump forward 2 spaces

Start at 30, jump forward 20 spaces

Start at 20, jump forward 30 spaces

7. What is 45 + 30?

65

75

85

8. If you start at 60 and jump forward 25, where do you land?

75

85

95

🔢 Part 4: Number Line Problems

9. Complete these addition problems using the number line strategy:

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

a) 50 + 20 = _______

b) 35 + 15 = _______

c) 45 + 25 = _______

d) 28 + 30 = _______

10. Show your working for this problem:

Sarah has 35 marbles. Her friend gives her 40 more marbles. How many marbles does Sarah have now?

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

Answer: Sarah has _______ marbles.

🌟 Part 5: Challenge Questions

11. Which addition strategies work well with number lines? (Check all that apply)

Jumping by tens

Counting on from the larger number

Making big jumps then small jumps

Starting from zero every time

12. Create your own addition problem and solve it using a number line:

My problem: _______ + _______ = _______

Number Line: 0 ——— 10 ——— 20 ——— 30 ——— 40 ——— 50 ——— 60 ——— 70 ——— 80 ——— 90 ——— 100

13. Explain how jumping on a number line helps you add:

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