Grade 1
  1. Numbers and Counting  1.1. Counting to 10  1.2. Counting to 20  1.3. Counting to 50  1.4. Counting to 100  1.5. Writing Numbers 1 to 10  1.6. Writing Numbers 1 to 20  1.7. Writing Numbers 1 to 50  1.8. Writing Numbers 1 to 100  1.9. Reading Numbers 1 to 10  1.10. Reading Numbers 1 to 20  1.11. Reading Numbers 1 to 50  1.12. Reading Numbers 1 to 100  1.13. Comparing Numbers  1.14. Ordering Numbers  1.15. Odd and Even Numbers  1.16. Number Patterns  1.17. Skip Counting by 2s, 5s, and 10s  1.18. Understanding Zero
  2. Basic Addition and Subtraction  2.1. Understanding Addition  2.2. Addition Facts within 10  2.3. Addition Facts within 20  2.4. Adding Zero  2.5. Adding One More  2.6. Adding Two More  2.7. Adding Three More  2.8. Adding Using Pictures  2.9. Addition Word Problems  2.10. Understanding Subtraction  2.11. Subtraction Facts within 10  2.12. Subtraction Facts within 20  2.13. Subtracting Zero  2.14. Subtracting One  2.15. Subtracting Two  2.16. Subtraction Using Pictures  2.17. Subtraction Word Problems  2.18. Introduction to Doubles Facts  2.19. Introduction to Making 10
  3. Place Value and Number Sense  3.1. Understanding Tens and Ones  3.2. Counting by Tens  3.3. Place Value within 20  3.4. Place Value within 50  3.5. Place Value within 100  3.6. Reading and Writing Two-Digit Numbers  3.7. Comparing Two-Digit Numbers  3.8. Decomposing Numbers
  4. Measurement  4.1. Length  4.1.1. Comparing Lengths  4.1.2. Measuring with Non-Standard Units  4.1.3. Using Standard Units (Inches and Centimeters) in Length  4.2. Weight  4.2.1. Comparing Weights  4.2.2. Heavy and Light Objects  4.2.3. Introduction to Grams and Pounds  4.3. Capacity  4.3.1. Comparing Capacity  4.3.2. Full and Empty  4.3.3. Introduction to Liters and Milliliters  4.4. Time  4.4.1. Telling Time to the Hour  4.4.2. Telling Time to the Half Hour  4.4.3. Days of the Week  4.4.4. Months of the Year  4.4.5. Understanding Yesterday, Today, and Tomorrow  4.5. Money  4.5.1. Recognizing Coins  4.5.2. Counting Coins  4.5.3. Introduction to Dollar and Cents Symbols  4.5.4. Simple Addition and Subtraction with Money
  5. Geometry  5.1. 2D Shapes  5.1.1. Recognizing 2D Shapes  5.1.2. Drawing 2D Shapes  5.1.3. Naming 2D Shapes  5.1.4. Properties of 2D Shapes  5.1.5. Sorting 2D Shapes  5.1.6. Composing Simple Shapes  5.2. 3D Shapes  5.2.1. Recognizing 3D Shapes  5.2.2. Naming 3D Shapes  5.2.3. Properties of 3D Shapes  5.2.4. Sorting 3D Shapes  5.3. Position and Direction  5.3.1. Left and Right  5.3.2. Above and Below  5.3.3. Inside and Outside  5.3.4. Near and Far  5.3.5. In Front and Behind
  6. Patterns and Sorting  6.1. Recognizing Patterns  6.2. Extending Patterns  6.3. Creating Patterns  6.4. Sorting by Color  6.5. Sorting by Shape  6.6. Sorting by Size
  7. Data and Graphing  7.1. Introduction to Data  7.2. Collecting Data  7.3. Tally Marks  7.4. Bar Graphs  7.5. Picture Graphs  7.6. Interpreting Simple Graphs
  8. Fractions  8.1. Understanding Halves  8.2. Understanding Fourths  8.3. Dividing Shapes into Equal Parts  8.4. Identifying Equal and Unequal Parts

Grade 1 ↓


Data and Graphing


In Class 1 Maths, students start learning about data and graphing. This is an important skill that helps children understand and interpret information. Let's understand this topic in depth using simple language and lots of examples!

What is data?

Data is a collection of facts, numbers, or information. It can be anything from the number of apples on a table to the different colors of crayons in a box. Data helps us understand more about the world around us. In Grade 1, students learn how to collect, organize, and display data in simple ways.

Data gathering

Collecting data means gathering information. For example, if you want to know the most popular fruit in your class, you might ask each person what their favorite fruit is. To collect data you would write down each answer.

Example: Collecting data about favorite fruits in the class

1. Anna: Apple
2. Ben: Banana
3. Claire: Apple
4. Dan: Orange
5. Ella: Banana

Organizing the data

Once you have collected your data, the next step is to organize it. Organizing data helps us see patterns and understand what the data is telling us. A simple way to organize data is to create a tally chart.

Example: Tally Chart for Favorite Fruits

Apple: || (2)
Banana: || (2)
Orange: | (1)

Displaying the data

Displaying data means showing information in a way that is easy to understand. In Grade 1, students learn to use pictographs and bar graphs to display data. These graphs help show how much of something there is or how many people chose each option.

Pictographs

A pictogram uses pictures or symbols to show data. Each picture represents a certain quantity. Let's create a pictogram from our fruit data.

Apples: 2 Banana: 2 Orange: 1 (Each picture represents 1 person)

Bar graph

A bar graph uses bars to show data. The height of each bar tells us how many people or things are in each category. Here's how we can show our fruit data in a bar graph.

Apple 2 Banana 2 Orange 1

Reading a graph

Once the data is displayed in a graph, it is time to read the graph to understand what it tells us. When reading a graph, look at the height or length of each bar or picture in the labels, numbers, and pictograms.

What does our bar graph tell us?

  • Apples and bananas are equally popular, liked by 2 people each.
  • Only 1 person likes oranges.

Interpretation of the data

Interpreting data means explaining what the data shows us. By interpreting data, we learn what the information is telling us. For example:

Interpretation from our fruit data:

  • Apples and bananas are the most favourite fruits in the class.
  • Orange is the least liked fruit in the class.

Why data and graphs are useful

Graphs make it easier to see and understand data. People use graphs to make decisions. For example, businesses use graphs to see how much a product is selling. Schools use graphs to track student attendance. Understanding data and graphs is a very useful skill in everyday life.

Create your own graph

To create your own graph, follow these simple steps:

  1. Select a question to collect data from.
  2. Collect data by asking people, observing, or conducting experiments.
  3. Organize data in a tally chart or list.
  4. Decide whether you will use a pictograph or a bar graph to display your data.
  5. Create your graph and make sure it is labeled correctly.
  6. Check your data and make sure the graph matches the data you collected.

Practice exercises

Here are some exercises for collecting, organizing, and displaying data:

Exercise 1: Favorite pet

  1. Ask five of your friends what their favorite pets are.
  2. Create a tally chart of your data.
  3. Use the data to create a pictograph or bar graph.

Exercise 2: Tracking the weather

  1. Keep track of the weather for a week. Write down each day whether the weather is sunny, cloudy, raining, or snowing.
  2. Make a tally chart of the weather for the week.
  3. Create a graph to show your weather data.

Exercise 3: Snack time

  1. Ask your classmates what snack they like: chips, fruit, or cookies.
  2. Record the information in a tally chart.
  3. Use a tally chart to create a bar graph.

Conclusion

In Grade 1, learning about data and graphing helps students understand and organize information. This forms a foundation for more advanced math and science skills. Collecting data, organizing it, displaying it in graphs, and interpreting it are important skills that support everyday decisions and problem-solving. By practicing these skills through fun exercises and real-life situations, students develop not only their mathematical thinking but also their analytical skills.


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Data and Graphing

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