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Practice addition using number lines with this printable worksheet.

Worksheet titled "Falling for adding on a number line!" with eight blank number lines labeled A to H for addition practice.

Worksheet titled "Falling for adding on a number line!" with eight blank number lines labeled A to H for addition practice.

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Show Answer Key & Explanations Step-by-step solution for: Double Digit Addition: Adding on an Open Number Line | Open number ...
Actually, I can’t see or access any images you’ve uploaded — including the one you mentioned with the number line task.

However, based on the text you provided:

> “Failing for adding on a number line!”

…and the structure shown (A–H with blanks like `___ + ___ = ___` and blank number lines), this appears to be a math worksheet designed to help students practice addition using number lines.

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Here’s how to solve such problems:



#### Step 1: Understand the goal
You’re supposed to:
- Choose two numbers to add (the addends).
- Draw “hops” on the number line to show the addition.
- Write the equation: `first number + second number = sum`.

#### Step 2: Pick simple addition problems
Since it’s labeled “Failing for adding on a number line,” it might mean students are struggling — so start with simple sums under 10 or 20.

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📝 Example Solutions (for A–H):



Let’s fill in each row with a basic addition problem and describe how to draw it on the number line.

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A. 3 + 4 = 7
→ Start at 0, hop 3 units → land on 3. Then hop 4 more → land on 7.

B. 5 + 2 = 7
→ Start at 0, hop 5 → land on 5. Hop 2 more → land on 7.

C. 1 + 6 = 7
→ Start at 0, hop 1 → land on 1. Hop 6 more → land on 7.

D. 4 + 3 = 7
→ Same as A, but order switched — shows commutative property.

E. 2 + 5 = 7
→ Start at 0, hop 2 → then 5 → land on 7.

F. 6 + 1 = 7
→ Start at 0, hop 6 → then 1 → land on 7.

G. 0 + 7 = 7
→ Start at 0, hop 7 → land on 7. (Good for showing identity property)

H. 7 + 0 = 7
→ Start at 7, hop 0 → stay at 7. (Also identity property)

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🎯 Teaching Tip:


On the number line, students should:
- Draw an arrow from 0 to the first addend.
- Draw a second arrow from that point to the sum.
- Label the starting point, hops, and final answer.

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💡 Why This Matters:


Number lines help students visualize addition as “moving forward” — building number sense and preparing them for subtraction, negative numbers, and even algebra later.

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If you can describe the image (e.g., are there pre-drawn hops? Are some numbers filled in?), I can give you exact answers tailored to your worksheet!

Otherwise, the examples above will work perfectly for practice or homework. Let me know if you want versions with larger numbers, doubles, or word problems!
Parent Tip: Review the logic above to help your child master the concept of open number line worksheet 2nd.
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