Lesson Notes By Weeks and Term v5 - Grade 1

Lesson Video

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Performance objectives

• Data handling is all about collecting, organizing, and making sense of information. Even in Grade 1, understanding data helps us answer questions about the world around us. For example, we can find out which is the most popular fruit in our class or how many learners walk to school. This week, we'll be revising key concepts from Term 4 and building a foundation for more complex data handling later on. In our daily lives, understanding data helps us choose what to eat, what to wear depending on the weather, and even which games are the most fun to play! We'll be looking at simple ways to collect data, like counting and sorting, and then using this information to create simple graphs. This skill is important because it helps us solve problems and make informed decisions, just like grown-ups do when they're running a business or planning for the future.
• By the end of this week, learners will be able to:
• LO1: Collect data by counting and sorting objects into categories. Learners will demonstrate this by sorting toys, stationery, or pictures and accurately counting the number in each category.
• LO2: Represent data using pictograms and simple bar graphs with one-to-one correspondence. Learners will show this by creating graphs using collected data, ensuring each picture/bar represents one item.
• LO3: Answer simple questions related to data presented in graphs. Learners will answer questions like "Which category has the most items?" or "Which category has the least items?" using their created graphs.

Lesson summary

Data handling is all about collecting, organizing, and making sense of information. Even in Grade 1, understanding data helps us answer questions about the world around us. For example, we can find out which is the most popular fruit in our class or how many learners walk to school. This week, we'll be revising key concepts from Term 4 and building a foundation for more complex data handling later on. In our daily lives, understanding data helps us choose what to eat, what to wear depending on the weather, and even which games are the most fun to play! We'll be looking at simple ways to collect data, like counting and sorting, and then using this information to create simple graphs.

Lesson notes

2.1 Data Collection: Counting and Sorting Data collection begins with counting and sorting. We group similar things together and then count how many are in each group. This helps us organize the information and see patterns.

Counting: This is simply finding out "how many". We point to each item one by one and say the next number in the sequence.

Sorting: Grouping items based on a shared characteristic, such as color, shape, or type.

Example 1: Let's say we have a basket of toys: 3 cars, 2 dolls, and 4 teddy bears.

Sorting: We sort them into three groups: cars, dolls, and teddy bears.

Counting: We count how many are in each group: Cars: 1, 2,

3. There are 3 cars.

Dolls: 1,

2. There are 2 dolls.

Teddy Bears: 1, 2, 3,

4. There are 4 teddy bears.

Example 2: Imagine we have a pile of crayons: 5 red, 3 blue, and 2 green.

Sorting: We sort the crayons by color.

Counting: We count the number of each color: Red crayons: 1, 2, 3, 4,

5. There are 5 red crayons.

Blue crayons: 1, 2,

3. There are 3 blue crayons.

Green crayons: 1,

2. There are 2 green crayons. 2.2 Representing Data: Pictograms and Simple Bar Graphs Once we've collected data, we can show it in a visual way using pictograms and bar graphs. This makes it easier to understand and compare the information.

We use a 1:1 correspondence, meaning one picture or bar represents one item.

Pictogram: Uses pictures to represent data. Each picture stands for one item.

Bar Graph: Uses bars of different lengths to represent data. The length of the bar shows the number of items in that category.

Example 3 (Pictogram): Using the toy data from Example 1 (3 cars, 2 dolls, 4 teddy bears), we can create a pictogram: | Toy | Number | Pictogram | | ------------- | ------ | --------- | | Cars | 3 | 🚗 🚗 🚗 | | Dolls | 2 | 👧 👧 | | Teddy Bears | 4 | 🧸 🧸 🧸 🧸 | Example 4 (Bar Graph): Using the crayon data from Example 2 (5 red, 3 blue, 2 green), we can create a bar graph. We would draw three bars – one for red, one for blue, and one for green. The red bar would be 5 units high, the blue bar 3 units high, and the green bar 2 units high. Make sure to label each bar!

Important: Remember to label your pictograms and bar graphs so that everyone knows what the data represents. 2.3 Shapes and Sizes Revision of basic shapes and size concepts is crucial.

Grade 1 learners should be familiar with: Shapes: Circle, Square, Triangle, Rectangle Sizes: Big and Small Example 5: Show different objects (e.g., balls, books, building blocks). Ask learners to identify the shape (circle, square, etc.) and whether it is big or small. "Thando, what shape is this ball? Is it big or small?" 2.4 Counting Forwards and Backwards Reinforce counting skills within the range of 0-

2

0. Counting Forwards: Starting at 0 and increasing the number (0, 1, 2, 3...)

Counting Backwards: Starting at a number and decreasing it (20, 19, 18, 17...)

Example 6: Use a number line. Start at 5 and count forwards to

1

2. Then, start at 15 and count backwards to

8. Guided Practice (With Solutions)

Question 1: You have the following fruits: 4 apples, 2 bananas, and 3 oranges. Sort the fruits and count how many of each there are. Draw a simple pictogram to show your results. Use one picture for each fruit.

Solution: Sorting: We have apples, bananas, and oranges.

Counting: Apples: 4 Bananas: 2 Oranges: 3 Pictogram: | Fruit | Number | Pictogram | | -------- | ------ | --------- | | Apples | 4 | 🍎 🍎 🍎 🍎 | | Bananas | 2 | 🍌 🍌 | | Oranges | 3 | 🍊 🍊 🍊 |

Commentary: This question reinforces sorting, counting, and representing data in a pictogram. We used common, relatable fruits.

Question 2: Look at the pictogram below showing the favourite colours of some Grade 1 learners: | Colour | Pictogram | |---|---| | Red | ❤️ ❤️ ❤️ ❤️ ❤️ | | Blue | 💙 💙 💙 | | Green | 💚 💚 💚 💚 | How many learners like red? How many like green? Which colour is the most popular?

Solution: Red: 5 learners Green: 4 learners Red is the most popular.

Commentary: This question focuses on interpreting a pictogram and answering questions based on the data.

Question 3: Draw a bar graph to show the number of animals on a farm: 5 cows, 3 pigs, and 2 chickens.

Solution: Learners should draw a bar graph with three bars: one for cows (5 units high), one for pigs (3 units high), and one for chickens (2 units high). Each bar should be clearly labelled with the animal's name.

Commentary: This question builds on the previous questions and requires learners to create a bar graph from provided data. This reinforces the visual representation of data. Independent Practice (Questions Only)

You have a bag of sweets: 6 red sweets, 2 yellow sweets, and 4 green sweets. Sort the sweets and count how many of each there are. Draw a pictogram to show the number of different toys you have. (e.g., cars, dolls, balls). Make sure to label your pictogram clearly.

Look at the following data: 3 learners like to play soccer, 5 learners like to play netball, and 2 learners like to play rugby.