KingMath
← All CE1 · age 7 exercises

Subtraction with borrowing

Not enough ones? Break a ten.

🔍 Step 1 · Understand

First, look at a worked example

85 − 28 = ?

💡 The tip : Take away the tens first: 85 − 20.

🤔 Find the answer in your head, then open the solution.

👀 See the solution

Answer: 57

85 − 20 = 65, then 65 − 8 = 57. So 85 − 28 = 57.

🎯 Step 2 · Your turn!

10 questions. Take your time, and ask for a hint if you get stuck.