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 → Numbers and Counting ↓


Counting to 100


Counting to 100 is an important skill that children start learning from Class 1. It is a cornerstone for understanding numbers and developing math skills. Learning to count is not just about memorizing numbers; it is about understanding the order of numbers, recognising patterns and knowing the concept of quantity.

Why is counting important?

Counting helps children understand the concept of numbers and their relationship to one another. This helps them develop the ability to perform more complex mathematical operations such as addition, subtraction and multiplication in the future. Learning to count also helps children in everyday life, as they use numbers frequently for various tasks.

Basic counting

The first step in counting is learning the order of numbers. It is very important to learn to say the numbers from 1 to 100 in order. Children start by learning 10 numbers first and gradually add more numbers as they become more comfortable.

Counting by words

When counting, say the numbers out loud:

One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, ..., Ninety-nine, One hundred.

Visual aid example

Let's visualize counting from 1 to 5:

1 2 3 4 5

Counting in groups

Counting to 100 can also be made easier by counting in groups. By recognizing patterns and groups, children learn to skip-count, such as counting by 2s, 5s or 10s. This skill is useful in performing rapid mathematical calculations and later understanding multiplication.

Counting by 2's

Counting by 2's involves adding 2 each time:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ..., 98, 100.

Visual aid for counting by 2's

2 4 6 8 10

Counting by 5's

Counting by 5s involves adding 5 each time:

5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ..., 95, 100.

Counting to 10

Counting by 10 is the same as adding 10 each time:

10, 20, 30, 40, 50, 60, 70, 80, 90, 100.

Visual aid for counting to 10

10 20 30 40 50

Using the number line

Number lines are a great way to visualise counting. They are a straight line with numbers placed at equal intervals along the length. This helps children to see the distance between numbers and understand the order of counting.

Example of a number line from 1 to 10

1 2 3 4 5 6 7 8 9 10

Tally marks

Tally marks are another tool to help understand counting. They are straight line marks used to keep score of a certain amount. Every fifth tally is crossed off from the first four to form a group of 5, which is an easy way to count fives.

Tally marks example

For the number 12:

| | | |  | | | |  | |

Interactive activities for practice

Interesting activities help to master counting skills. Here are some ways children can practice counting:

  • Count objects like fruit, toys, or blocks.
  • Play counting games like number bingo or connect-the-dots.
  • Use flash cards with numbers and arrange them in order.

Summary

Counting to 100 in Class 1 is an exciting adventure for children. It lays the foundation for understanding math concepts in later years. By mastering this skill, children learn to recognize numbers, understand patterns, and develop the confidence to tackle more complex math problems later.

Counting can be made fun and engaging through visual aids, games, and hands-on activities. With encouragement and practice, children will learn to count easily and enjoy the process as they move forward in their math learning journey.


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Counting to 100

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