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Integer Number Line Exploration

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Integer Number Line Exploration worksheet preview

Integer Number Line Exploration

Number line with positive and negative integers

📊 Part 1: Understanding Integers on the Number Line

1. Which of these are integers? (Select all that apply)

-7

3.5

0

12

-2/3

2. On a number line, which direction do you move to represent positive numbers?

Left

Right

Up

Down

3. What is the additive inverse of -8?

8

-8

0

16

4. Which inequality symbol correctly compares these integers: -5 ___ 2

>

<

=

🧮 Part 2: Number Line Problem Solving

5. Use the number line to solve: -6 + 4 = _____

Describe your steps: Start at _____, move _____ steps to the _____, end at _____.

6. The temperature in Christchurch was 3°C at noon. By midnight, it had dropped 8°C. What was the temperature at midnight?
7. Complete these additive inverse pairs:

a) 9 + _____ = 0

b) -15 + _____ = 0

c) _____ + 7 = 0

8. Order these integers from least to greatest: 4, -2, 0, -7, 1

💭 Part 3: Mathematical Thinking

9. Explain why the number system is infinite in your own words.
10. A submarine starts at sea level (0 metres) and dives 25 metres down, then rises 10 metres. Where is the submarine now? Show your work using integer addition.
11. Create your own word problem involving positive and negative integers, then solve it using a number line.

My problem:

Solution:

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