Do You Know Me?
place value · writing three-digit numbers in words and expanded form
To write numbers up to 1000 in words and convert numbers to its expanded form [2.NBT.A.3].
Do You Know Me? is a Grade 2 place value game for representing three-digit numbers in multiple forms. Students draw cards to build a number up to 999, then write that number in words and expanded form. The repeated switch between digits, number names, and place-value decomposition helps students connect hundreds, tens, and ones rather than treating each representation as a separate skill.
This small-group game works well for place value review or practice after students have learned standard, word, and expanded form. It also gives teachers a quick way to see which representation causes difficulty. Create a free Find a Math Game account to generate the lesson for Do You Know Me? No credit card, with 3 lifetime lesson generations included.
- Grades:
- 2
- Players:
- 2–5 players
- Materials:
- cards, paper
- Classroom use:
- small group
Standards alignment
Official Rules
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