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🧮 4th Grade · Math4.NF.C.5Unit 9: Decimals: tenths & hundredths

Tenths and hundredths

Google Classroom

🎯 Objective: Students show tenths as hundredths and add them (3/10 + 4/100 = 34/100).

Lesson outline

  1. Shade 3 tenths on a 10 × 10 grid: it is also 30 hundredths.
  2. Add 3/10 + 4/100 = 34/100.
  3. Practice.
  4. Exit: 6/10 + 7/100.

Lesson 1 of 4 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

4.NF.C.5

Common Core State Standards for Mathematics, Grade 4 — typical US scope & sequence

🏁 Unit goals

  • Write fractions with denominators 10 and 100 as decimals
  • Compare decimals to hundredths

✅ 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 to hundredths📚 All 4th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

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More lessons in “Decimals: tenths & hundredths”

  1. Tenths and hundredths
  2. Decimal notation
  3. Comparing decimals
  4. Decimals and money

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