1
Number line
−3 −2 −1 0 1 2 3. Numbers to the right are bigger.
← −3 −2 −1 0 1 2 3 →
Integers
📖 Study · Integers
Integers
Integers include positive numbers, zero, and negative numbers.
🎯 What you'll learn
- ✓Order integers
- ✓Add / subtract integers
- ✓Use the number line
2
Adding negatives
−3 + 5 = 2. Walk right 5 steps from −3.
−3 + 5 = 2
3
Subtracting
−2 − 3 = −5. Walk left 3 steps from −2.
−2 − 3 = −5
4
Where we use negatives
Cold temperatures (-5°C), money owed (-$10), levels below ground.
🌡️ -5°C
5
Zero is the middle
0 isn't positive or negative — it's the centre.
← − 0 + →
6
Sign rules (preview)
Two negatives multiply to a positive: (−3) × (−2) = 6. You'll see this in Grade 5.
(−)(−) = +