Adding and Subtracting Negative Numbers
Learn the rules for adding and subtracting negative numbers using signs. Letβs get started! π
Video Lesson
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Flashcards
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ποΈ What Are Negative Numbers?
- Negative numbers are to the left of zero on a number line.
- Zero is neither positive nor negative.
ποΈ How to Add and Subtract Using a Number Line?
- Adding a positive number means move right on the number line.
- Subtracting a positive number means move left on the number line.
ποΈ How Are Negative Numbers Used in Real Life?
- A drop in temperature means you subtract.
- You may end with a negative answer if you go below zero.
ποΈ How to Remove Brackets?
- Same signs next to brackets become a plus.
- Different signs next to brackets become a minus.
ποΈ How to Remove Brackets with Several Numbers?
- If there is a minus before brackets, change all signs inside.
- You can also work out what is inside the brackets first.
Practice Questions
Test your understanding
Interactive Activity
Add or subtract values to reach the target on the number line
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