Math
Two-Digit Addition
🎉 The Party Strategy
Break it down like you're at a party!
🎈
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Watch Mr. Aube and his sons Oliver and Lucas show you how it's done!
How It Works — Step by Step
1
Write Down Your Question
27 + 59
2
Break It Down! 💃
Decompose those numbers into tens and ones!
27
20 + 7
&
59
50 + 9
3
Party Time — Who Parties With Who?
Tens Party:
20 + 50 = 70
Ones Party:
7 + 9 = 16
4
Put It All Together!
70 + 16 =
86 🎉
💡
Mr. Aube's Tip:
This strategy helps kids understand place value — the idea that digits have different values based on their position. Once they get this, mental math becomes way easier!
Practice Resources edit_note
Printable worksheets coming soon!
