Problem: Addition on Number Line
The task is to solve the given addition problems and show the solutions on the number line. Let's go through each problem step by step.
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1. \( 9 + 4 \)
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Start at 9 on the number line.
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Move 4 steps to the right:
- From 9 to 10 (1 step)
- From 10 to 11 (2 steps)
- From 11 to 12 (3 steps)
- From 12 to 13 (4 steps)
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Answer: \( 9 + 4 = 13 \)
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2. \( 6 + 7 \)
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Start at 6 on the number line.
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Move 7 steps to the right:
- From 6 to 7 (1 step)
- From 7 to 8 (2 steps)
- From 8 to 9 (3 steps)
- From 9 to 10 (4 steps)
- From 10 to 11 (5 steps)
- From 11 to 12 (6 steps)
- From 12 to 13 (7 steps)
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Answer: \( 6 + 7 = 13 \)
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3. \( 9 + 1 \)
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Start at 9 on the number line.
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Move 1 step to the right:
- From 9 to 10 (1 step)
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Answer: \( 9 + 1 = 10 \)
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4. \( 6 + 3 \)
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Start at 6 on the number line.
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Move 3 steps to the right:
- From 6 to 7 (1 step)
- From 7 to 8 (2 steps)
- From 8 to 9 (3 steps)
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Answer: \( 6 + 3 = 9 \)
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5. \( 11 + 4 \)
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Start at 11 on the number line.
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Move 4 steps to the right:
- From 11 to 12 (1 step)
- From 12 to 13 (2 steps)
- From 13 to 14 (3 steps)
- From 14 to 15 (4 steps)
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Answer: \( 11 + 4 = 15 \)
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6. \( 12 + 1 \)
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Start at 12 on the number line.
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Move 1 step to the right:
- From 12 to 13 (1 step)
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Answer: \( 12 + 1 = 13 \)
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7. \( 1 + 4 \)
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Start at 1 on the number line.
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Move 4 steps to the right:
- From 1 to 2 (1 step)
- From 2 to 3 (2 steps)
- From 3 to 4 (3 steps)
- From 4 to 5 (4 steps)
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Answer: \( 1 + 4 = 5 \)
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Final Answers:
1. \( 9 + 4 = 13 \)
2. \( 6 + 7 = 13 \)
3. \( 9 + 1 = 10 \)
4. \( 6 + 3 = 9 \)
5. \( 11 + 4 = 15 \)
6. \( 12 + 1 = 13 \)
7. \( 1 + 4 = 5 \)
Boxed Final Answer:
\[
\boxed{13, 13, 10, 9, 15, 13, 5}
\]
Parent Tip: Review the logic above to help your child master the concept of addition using number line worksheet for grade 1.