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 → Basic Addition and Subtraction ↓


Adding One More


Learning about numbers can be a lot of fun! One of the first things you learn in math is adding and subtracting numbers. In this lesson, we'll discuss a simple but important topic in math—"adding one more."

When we talk about “adding one more”, it means adding 1 to any given number. Even though it sounds simple, understanding this concept is very important for young learners. It helps us build a strong foundation of math. Let’s take a deeper look at this!

What does "add one" mean?

Adding one means that you take a number and find the number that comes right after it while counting. This is how you increase a number by one.

Let's take an example. If you have the number 2 and you add one to it, it becomes 3. We can write it like this:

2 + 1 = 3

Another example: Suppose you have 5 candies. You get another candy from your friend. Now, let's see how many candies you have:

5 + 1 = 6

Visual example

To understand this better, let's use a visual example:

2 + 1 = 3

In this example, if each blue circle is 1, adding another red circle makes it 3. This shows how adding one works visually.

Why is it important to "add one more"?

Learning to add one more number is important because it serves as a building block for more complex mathematical operations. By understanding this concept, children can understand how numbers add up and learn to count better. This helps them do math faster and more confidently.

Exploring "adding one more" with numbers

Let's add another number with different values to see the pattern:

  • 1 + 1 = 2
  • 3 + 1 = 4
  • 7 + 1 = 8
  • 10 + 1 = 11

Can you see how each number becomes the next number when we add another number to it?

Using "add one" in subtraction

Addition and subtraction are opposite mathematical operations. When we add one, we increase. When we subtract one, we decrease.

Let's consider subtraction for a moment. If you have the number 5 and you subtract one from it, you get this:

5 - 1 = 4

This is convenient, because if you know that adding one increases, subtracting one does the opposite.

Interactive examples with subtraction

4 - 1 = 3

In this example, removing the red circle subtracts one, reducing the total number of circles.

Practice makes perfect

To become really good at math, it's important to practice. Try these practice examples:

Practice problems

  • What is 6 + 1?
  • What is 9 + 1?
  • Subtract 1 from 8. What number will you get?
  • If you have 3 apples and you get one more, how many apples will you have?

Work on these problems to reinforce the idea of adding and subtracting one and the other.

"Add one more" learning strategies

Here are some strategies that can help young learners master the idea of adding one more:

1. Use counting tools

Counters, number lines, and beads can help demonstrate adding numbers and adding another number to them.

2. Practice with real-life examples

Use real objects like toys or fruits to show what happens when you add another object. This makes learning interactive and relevant.

3. Play the number game

Games that teach counting or numbers help make learning fun and effective. Consider playing a game like "Count to 10" and gradually increase the difficulty by focusing on adding one more number.

The role of patterns in mathematics

Patterns help us understand relationships between numbers when we talk about adding one more. Recognizing patterns makes mathematical reasoning easier for children.

For example, in this series:

  • 1, 2, 3, 4, 5, …

Each number increases by one. Knowing this pattern helps predict the next number as you add another number.

Conclusion

The concept of “adding one more” is simple, yet very important. It is the basis for understanding counting, addition, and subtraction. With this knowledge, learning and performing calculations becomes easier and more intuitive for young learners. Keep practicing these ideas with different examples and numbers. By doing this, you will become more comfortable and confident with numbers.


Grade 1 → 2.5


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Adding One More

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