Lesson 1 - Childhood Coding

Lesson Plan: Introducing Sequencing Through Play (Unplugged Coding)

Age Group

4–10 years

Duration

30–40 minutes

Coding Concept

Sequencing – understanding that instructions must be given in the correct order to achieve a desired outcome.

Learning Objectives

By the end of this lesson, children will be able to:

Understand that actions follow a sequence

Give step-by-step instructions verbally

Identify when a sequence is incorrect

Begin to “debug” by correcting the order of steps

Materials Required

Open classroom space

A small object (toy, book, cone, or marker)

Optional: direction cards (Forward, Turn, Stop)

(No screens required)

Key Vocabulary

Step

Order

Sequence

Instruction

Start / Stop

Forward / Turn

Lesson Structure

1. Warm-Up (5 minutes)

Teacher Prompt:

“Who can tell me what you do first when you get ready for school?”

Allow children to answer freely.

Guide them by asking:

“What comes next?”

“Can we brush teeth before waking up?”

👉 Purpose:

To introduce the idea that some actions must happen in order.

2. Concept Introduction (5 minutes)

Explain in simple language:

“In coding, we give instructions in a special order.

If the order is wrong, the computer (or person) gets confused.”

Demonstrate:

Clap hands → Jump → Sit

Then mix the order and ask:

“Did it feel different?”

3. Main Activity: Program a Friend (15 minutes)

Setup

Place a toy or object on the floor.

Choose one child to be the “robot”.

The rest of the group are “coders”.

Instructions

Children must give one instruction at a time to help the robot reach the object.

Allowed commands:

Move forward

Turn left

Turn right

Stop

The “robot” must follow instructions exactly as given.

4. Debugging Moment (5 minutes)

Intentionally follow incorrect instructions.

Ask:

“Did the robot reach the object?”

“Which step was missing or wrong?”

“What should we change?”

Let children fix the sequence.

👉 This builds early problem-solving and debugging skills.

5. Reflection & Closure (5 minutes)

Ask children:

“What happens if steps are in the wrong order?”

“Why is order important?”

“Did we fix mistakes today?”

Reinforce:

“Coding is about thinking carefully and trying again.”

Assessment (Observation-Based)

The educator observes whether children:

Give instructions in order

Notice when a step is missing

Suggest corrections

Use sequencing language naturally

(No formal assessment required)

Differentiation

For Younger Learners (4 yrs):

Use only 2–3 steps

Demonstrate before starting

Use physical cards or gestures

For Advanced Learners:

Add obstacles

Limit number of instructions

Let children design their own sequence

Extension Activity (Optional)

Draw the steps taken (visual sequencing)

Act out a daily routine as a sequence

Turn a story into step-by-step actions

Educator Insight (Important)

This lesson works because:

Children experience sequencing physically

Mistakes are part of learning

Language + movement reinforces understanding

The educator’s questions matter more than the activity itself.