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🧮 5th Grade · Math5.NBT.A.1Unit 1: Place value, powers of ten & decimals

Ten times and one-tenth

Google Classroom

🎯 Objective: Students explain that a digit is 10 times the place to its right and 1/10 the place to its left.

Lesson outline

  1. Place-value chart from thousands to thousandths; write 3.3 and compare the two 3s.
  2. Slide a digit left (×10) and right (÷10, or ×1/10) and name its new value.
  3. Practice: the 5 in 0.5 vs 0.05; the 2 in 200 vs 20.
  4. Exit: the first 3 in 3.3 is how many times the second?

Lesson 1 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

5.NBT.A.1

Common Core State Standards for Mathematics, Grade 5 — typical US scope & sequence

🏁 Unit goals

  • Explain place value patterns, including powers of 10
  • Read, write, compare and round decimals to thousandths

✅ 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: Decimals: all four operations📚 All 5th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add 5th 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, powers of ten & decimals”

  1. Ten times and one-tenth
  2. Powers of ten
  3. Decimals to thousandths
  4. Comparing decimals
  5. Rounding decimals

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