📚 Part 1: Understanding Integers

1. Which of the following are integers? (Check all that apply)

-7

0

3.5

15

2. The temperature in Auckland dropped from +8°C to -3°C. What type of numbers are we using?

Only positive numbers

Only negative numbers

Integers (positive and negative)

Fractions

3. Which integer is the opposite of +9?

0

-9

+18

1/9

📊 Part 2: Comparing and Ordering Integers

4. Use the symbols <, >, or = to compare these integers:

a) -5 _____ 2

b) -10 _____ -3

c) 0 _____ -7

d) +4 _____ 4

5. Order these integers from smallest to largest:

-8, 3, -1, 0, 7, -12

6. A diver starts at sea level (0m) and descends to -15m, then rises to -8m. Which position is deeper?

-15m

-8m

They are the same depth

✏️ Part 3: Real-World Applications

7. Sarah's bank account shows these transactions this week:

Monday: +$50 (deposit), Tuesday: -$25 (withdrawal), Wednesday: -$15 (bank fee)

If she started with $0, what is her final balance? ____________

8. Complete this sentence using integers:

If the temperature is 5°C above zero, we write it as ______°C.

If the temperature is 12°C below zero, we write it as ______°C.

9. Explain in your own words what an integer is and give three examples from everyday life where we use positive and negative numbers.

10. On the number line below, mark the positions of: -4, 0, +3, -1

Introduction to Integers

Introduction to Integers

📚 Part 1: Understanding Integers

📊 Part 2: Comparing and Ordering Integers

✏️ Part 3: Real-World Applications

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