Thinkabara

🧮 2nd Grade · Math2.NBT.A.3Unit 3: Place value to 1,000

Three ways to write a number

Google Classroom

🎯 Objective: Students write numbers in standard, expanded and word form.

Lesson outline

  1. Show 506 in three forms.
  2. Talk about zero as a placeholder.
  3. Match cards: standard, expanded, words.
  4. Exit: write 470 in expanded form.

Lesson 3 of 5 in this unit. In the Lesson Planner this lesson takes 1–3 class periods depending on your timetable: day 1 introduce & model, then practice, small-group reteach and a quick check.

📐 Standard

2.NBT.A.3

Common Core State Standards for Mathematics, Grade 2 — typical US scope & sequence

🏁 Unit goals

  • Understand hundreds, tens and ones
  • Read and write numbers to 1,000 in standard, word and expanded form
  • Compare three-digit numbers

✅ Check for understanding

End with the exit ticket in the outline. Sort answers into got it / almost / not yet and start the next lesson with a 5-minute reteach for the “not yets”.

Practice & resources on Thinkabara

🎯 Practice: Place value to 1,000🖨️ Worksheet: Two-Digit Addition Within 100🖨️ Worksheet: Two-Digit Subtraction Within 100📚 All 2nd Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add 2nd Grade Math to your free Lesson Planner: enter your timetable once and every period shows the next lesson, skipping weekends and school breaks.

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More lessons in “Place value to 1,000”

  1. Hundreds, tens and ones
  2. Counting within 1,000
  3. Three ways to write a number
  4. Compare three-digit numbers
  5. 10 more, 100 more

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