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 ↓


Collecting Data


When we talk about “collecting data,” we are talking about gathering information about things around us. This could be anything like how many apples are in the basket, how many children have blue socks, or how many students like chocolate ice cream. Collecting data is very important because it helps us understand what is happening around us.

What is data?

Data is information or facts that we collect. We can use our data to answer questions about what we observe or know. For example, if you count how many people in your class have red shoes, that is count data.

How to collect data

Now, let's learn how we can learn about different ways to collect data. In Grade 1, we keep things simple and fun. Here are some easy ways:

Asking questions

We may ask questions to gather information:

  • How many people like cats?
  • What is your favorite color?
  • Which fruit do you like the most?

Counting objects

Counting is a simple way to collect data. You can count things like:

  • How many crayons are in the box?
  • How many leaves are there on the ground?
  • How many cars pass by your house in ten minutes?

Creating lists

A list of items helps keep track of observations. For example, a list of books you have read.

Visualizing the data

We can use graphs and charts to understand the data we have collected. Let's look at some examples:

Tally marks

Tally marks are an easy way to keep track of counting. We usually make groups of 5 for easy reading.

Example: Count the number of birds you see in your garden in a day.

Sparrows: ||| Robins: |||| Crows: ||||| ||

This means you saw 3 sparrows, 4 robins and 12 crows.

Creating a bar graph

We can create bar graphs to show data visually. Each bar represents how much of something there is.

Example: Let's look at a bar graph of favorite ice cream flavors.

Vanilla Chocolate Strawberry

This graph shows that chocolate is the favorite flavor, followed by strawberry and vanilla.

Use of pictograms

Pictograms use pictures to represent data. Each picture can represent one or more things.

Example: Number of apples selected by students.

John Alice

John plucked 4 apples, while Alice plucked 2 apples.

Using the data

Once we have collected our data, we can use it to find answers. This helps us understand more about what we are studying. Let's move forward with examples and practice.

Data comparison

We can ask questions like these:

  • Which has more?
  • Which one is less?
  • Are they the same?

If we look at our ice cream chart, we ask:

  • Which flavor is the most popular?
  • Which flavor is the least popular?

Finding patterns

Sometimes, we see patterns in the data. If you eat an apple every Monday and a banana on Tuesday, you'll notice a pattern. Patterns help predict what might happen next.

Solving problems

Data can help solve problems like:

  • If you want to make sure there's enough vanilla ice cream on hand for a party, count how many people like vanilla ice cream.
  • If you're planning a garden, use data to decide which plants people like most.

Practice activity

Let's collect some data and make a bar graph together!

Step 1: Count how many balls of each type you have: soccer balls, tennis balls, basketballs.

Step 2: Write your count in tally marks.

Soccer balls: ||| Tennis balls: |||| Basketballs: |||

Step 3: Create a bar graph to show your data.

It might look something like this:

Football Tennis Basketball

Fun with data

Collecting and using data can be a very fun and useful activity. Once you learn how to collect data, you can do a lot of things:

  • Conduct a family survey about favorite foods
  • Measure different things, like how far you can jump
  • Learn to count and put things in order in your room

Remember, data is about observing the world around you and making sense of it. It's like being a detective, looking for clues to answer questions. With practice, you'll get better at collecting and using data!

Review

Let's review the steps for collecting and using data:

  1. Tell us what you want to know. Ask a question.
  2. Decide how to gather the information. This could be counting or asking others.
  3. Record what you find. Use a list, tally marks or chart.
  4. Show your data through graphs or charts to make it easier to understand.
  5. Use this data to answer questions or solve problems.

Remember: data is powerful because it helps us understand and explain the world!


Grade 1 → 7.2


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Introduction to Data
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Tally Marks

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Collecting Data

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