Lesson Notes By Weeks and Term v5 - Grade 1

Data handling and revision (Grade 1 Mathematics) – Week 3 focus

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Subject: Mathematics

Class: Grade 1

Term: Term 4

Week: 3

Theme: General lesson support

Lesson Video

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Performance objectives

Lesson summary

Overview This week, we dive into the exciting world of Data Handling, while also revising key concepts from the past two weeks. Data handling is like being a detective! It's the skill of collecting information (data), organising it so it makes sense, and then using it to answer questions. For Grade 1 learners in South Africa, this is a vital real-world skill.

They see data everywhere: in the weather chart on the news, at the spaza shop seeing which cool drinks are the most popular, or even in their own classroom when we see how many learners have birthdays in each month.

Lesson notes

What is Data Handling? Data handling is a 4-step process that helps us understand information.

Think of it like this: Ask a Question & Collect Data: We start with a question, like "What is our class's favourite colour?". Then we collect the answers.

Sort & Organise: We put the answers into groups. All the 'red' votes go together, all the 'blue' votes go together.

Represent (Show): We draw a picture to show our results. This is our pictograph.

Analyse (Talk about it): We look at our picture graph and answer questions about what we found. --- Step-by-Step Guide to Data Handling Step 1: Collecting Data This is the starting point. We can get information by asking our friends, or by looking at objects around us.

Example in a South African context: A teacher asks a group of learners, "Which of these South African fruits do you like the most: Grapes, Naartjies, or Apples?" The teacher listens to each child's answer and writes it down.

Step 2: Sorting and Organising Data (using Tally Marks) Once we have the answers, we need to organise them. A very clever and quick way to do this is by using tally marks. A tally mark is just a straight line (|) for each vote. When we get to five, we make a group by drawing a line across the first four: ||||. This makes it easy to count in fives!