Adding on a Number Line - Math worksheet for practicing addition strategies using number lines.

Worksheet titled "Adding on a Number Line" with five addition problems (37 + 19, 42 + 23, 23 + 17, 68 + 25, 36 + 48) and open number lines for students to record strategies. Decorated with a robot clipart and scalloped border.

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Show Answer Key & Explanations Step-by-step solution for: Math Coachs Corner | Open number line, Number line, 2nd grade math

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Let’s solve each addition problem step by step using a number line strategy. We’ll break the second number into tens and ones, then jump forward on the number line.

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1. 37 + 19

Break 19 into 10 + 9.

- Start at 37.
- Jump +10 → 47
- Jump +9 → 56

✔ Answer: 56

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2. 42 + 23

Break 23 into 20 + 3.

- Start at 42.
- Jump +20 → 62
- Jump +3 → 65

✔ Answer: 65

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3. 23 + 17

Break 17 into 10 + 7.

- Start at 23.
- Jump +10 → 33
- Jump +7 → 40

✔ Answer: 40

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4. 68 + 25

Break 25 into 20 + 5.

- Start at 68.
- Jump +20 → 88
- Jump +5 → 93

✔ Answer: 93

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5. 36 + 48

Break 48 into 40 + 8.

- Start at 36.
- Jump +40 → 76
- Jump +8 → 84

✔ Answer: 84

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Final Answer:
37 + 19 = 56
42 + 23 = 65
23 + 17 = 40
68 + 25 = 93
36 + 48 = 84

Parent Tip: Review the logic above to help your child master the concept of addition empty number line worksheet.

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Adding on a Number Line - Math worksheet for practicing addition strategies using number lines.

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