DMS · School Lab · Teacher card
Gear Clock
The big question: When the minute hand turns once, how far does the hour hand move?
Goal: Children see that the hour and minute hands move together, and read and write the time on analog and digital clocks.
In the lesson
Lesson flow
| Step | What children do | min |
|---|---|---|
| 1 · Ready? | Meets the desk clock, the hour hand, the minute hand, the gears and the digital display. | ≤ 1 |
| 2 · What do I know? | Shows where the hour hand is in pictures of 3:00 and 3:30. | 1 |
| 3 · In everyday life | Thinks about the school bell, break time and how long a cartoon lasts. | 1 |
| 4 · Predict | Predicts whether the hour hand stays put while the minute hand turns for 60 minutes; the prediction is locked in. | 1–2 |
| 5 · Try and observe | Behind the clear back, the gears turn and the hour hand moves on by one number. | 2–5 |
| 6 · Why? | Sees that the hour hand is short and thick and the minute hand long and thin; reads the minute labels. | 2–4 |
| 7 · Try something new | Does quarter-hour, minute-reading or unit-conversion tasks, depending on the grade. | 2–6 |
| 8 · My explorer notebook | Picks the clock that shows the time asked for and matches analog and digital times. | 1–3 |
| Off-screen activity, discussion and wrap-up | ≈ 15 | |
Class prediction vote
When the minute hand goes all the way round, where is the hour hand?
Discussion questions
- Why does the hour hand move so slowly?
- What if the minute hand turned only halfway?
- How did you work out the time?
Avoid saying: “The minute hand is on 4, so it's 4 minutes past.”
Say instead: “The minute hand is on 4, so it's 20 minutes past: each number is 5 minutes.”
Off-screen activity for the teacher's desk: Arm clock
Two pupils stand back to back in the middle of a clock face on the floor: one is the short hour hand, the other the long minute hand. As the minute hand goes all the way round, the hour hand moves on one number, and the class says the time.
You need: A clock face drawn on the floor with chalk or tape · Number cards 1–12
Details
Grades and learning outcomes
- Grade 2: MAT.2.1.9 (Maarif Model 2026)
- Grade 3: MAT.3.1.12 (Maarif Model 2026), MAT.3.1.13 (Maarif Model 2026), MAT.3.1.14 (Maarif Model 2026)
- Grade 4: M.4.3.4.1 (2018 curriculum), M.4.3.4.2 (2018 curriculum)
Scope
There is no grade 1 version (the Maarif Model has no clock reading in grade 1). The grade 4 version follows the 2018 curriculum.
Misconceptions
- “The hour hand stays still while the minute hand turns.” → When the minute hand turns once, the gears move the hour hand on by one number, and the digital display changes too.
- Mixing up the hands, or misreading the time when the hour hand is between two numbers. → The hour hand is short and thick, the minute hand long and thin; shape, name and pattern tell them apart.
Getting ready
- Open the lab on the board and pick the grade.
- For the screen-free activity: draw a large 1–12 clock face on the floor or the board.
- Check how your textbook writes digital times (for example 10.20).
This lab is mapped to learning outcomes M.4.3.4.1 and M.4.3.4.2 of the Turkish Ministry of National Education's 2018 Mathematics curriculum. It has not been reviewed or approved by the Ministry of National Education (MEB) or its Board of Education (TTKB).
This lab is mapped to learning outcomes MAT.2.1.9, MAT.3.1.12, MAT.3.1.13 and MAT.3.1.14 of the Turkish Ministry of National Education's Türkiye Century Maarif Model Mathematics curriculum (2026 version). It has not been reviewed or approved by the Ministry of National Education (MEB) or its Board of Education (TTKB).