Subtracting negative numbers
Subtracting means adding the opposite.
🔍 Step 1 · Understand
First, look at a worked example
(−9) − 6 = ?
💡 The tip : Subtracting a number means adding its opposite: (−9) − 6 = (−9) + (−6).
🤔 Find the answer in your head, then open the solution.
👀 See the solution✅ The solution
Answer: -15
(−9) − 6 = (−9) + (−6) = −15.
🎯 Step 2 · Your turn!
10 questions. Take your time, and ask for a hint if you get stuck.