Thinkabara

🧮 Kindergarten · MathK.MD.A.2Unit 9: Measurement & data

Heavier and lighter

Google Classroom

🎯 Objective: Students compare weights by holding and with a balance scale.

Lesson outline

  1. Hold a book and a feather: which is heavier?
  2. Use a balance scale; the lower side is heavier.
  3. Partners compare objects and record.
  4. Exit: which is heavier, a shoe or a sock?

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

K.MD.A.2

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

🏁 Unit goals

  • Describe length, height and weight
  • Compare two objects and tell which is longer, heavier
  • Sort, count and compare categories

✅ 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: Measurement & Data📚 All Kindergarten skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

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

Add to my planner See the year’s sequence

More lessons in “Measurement & data”

  1. Long, tall, heavy
  2. Longer and shorter
  3. Heavier and lighter
  4. Sort and count
  5. Class surveys

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