KingMath
← All CE1 · age 7 exercises

Addition with carrying

When the ones go over 10, they make a new ten.

🔍 Step 1 · Understand

First, look at a worked example

71 + 19 = ?

💡 The tip : Add the tens first: 71 + 10.

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

👀 See the solution

Answer: 90

71 + 10 = 81, then 81 + 9 = 90. So 71 + 19 = 90.

🎯 Step 2 · Your turn!

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