Meena is counting her biscuits. Instead of counting one by one, she counts them in groups of 2: 2, 4, 6, 8... This is called skip counting! Skip counting means jumping over some numbers and counting in equal steps. It helps us count faster. Let us learn to skip count by 2s, 5s, and 10s.
Counting by 2s
We add 2 each time. These are the even numbers!
Count by 2s:
2, 4, 6, 8, 10, 12, 14, 16, 18, 20 Example: Ravi has 5 pairs of shoes. Count the shoes: 2, 4, 6, 8, 10. He has 10 shoes.
Counting by 5s
We add 5 each time. These numbers always end in 0 or 5.
Count by 5s:
5, 10, 15, 20, 25, 30, 35, 40, 45, 50 Example: Sita has 4 packets of 5 biscuits each. Count: 5, 10, 15, 20. She has 20 biscuits.
Counting by 10s
We add 10 each time. These numbers always end in 0.
Count by 10s:
10, 20, 30, 40, 50, 60, 70, 80, 90, 100 Example: Arjun has 6 bags with 10 marbles each. Count: 10, 20, 30, 40, 50, 60. He has 60 marbles.
Counting by 10s is the fastest! It helps us count big numbers quickly.
📝 Key Words
Word
Meaning
Skip counting
Counting by jumping over numbers in equal steps
Count by 2s
Adding 2 each time: 2, 4, 6, 8...
Count by 5s
Adding 5 each time: 5, 10, 15, 20...
Count by 10s
Adding 10 each time: 10, 20, 30, 40...
Pattern
Numbers that follow a rule
⭐ Key Points to Remember
Skip counting means adding the same number each time.
Counting by 2s gives even numbers: 2, 4, 6, 8, 10...
Counting by 5s gives numbers ending in 0 or 5: 5, 10, 15, 20...
Counting by 10s gives numbers ending in 0: 10, 20, 30, 40...
Skip counting helps us count large groups quickly.
✏️ Practice Questions
A. Fill in the Blanks
1. Count by 2s: 2, 4, 6, , 10, .
2. Count by 5s: 5, 10, , 20, .
3. Count by 10s: 10, 20, , 40, .
4. Count by 2s: 12, 14, 16, , 20.
5. Count by 10s: 50, 60, , 80, .
B. Choose the Correct Answer
1. What comes next when counting by 5s? 25, 30, 35, ___
a) 36b) 40c) 45
2. What comes next when counting by 10s? 60, 70, 80, ___
a) 85b) 90c) 100
3. Meena has 5 bags with 2 apples each. How many apples in all?
a) 5b) 10c) 7
C. Short Answer
1. Write all numbers when counting by 2s from 2 to 20.
2. Ravi has 4 boxes with 10 pencils each. Count by 10s to find the total number of pencils.
3. Count by 5s from 5 to 50. Write the numbers.
🎨 Activity: Hop, Skip, Jump!
Draw a number line from 0 to 20. Draw hops of 2 to show counting by 2s. Then draw a number line from 0 to 50 and draw hops of 5. Colour the numbers you land on.
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Meena is counting her biscuits. Instead of counting one by one, she counts them in groups of 2: 2, 4, 6, 8... This is called skip counting! Skip counting means jumping over some numbers and counting in equal steps. It helps us count faster.
Counting by 2s, 5s, and 10s
Count by 2s (add 2 each time -- these are even numbers):
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Count by 5s (add 5 each time -- end in 0 or 5):
5, 10, 15, 20, 25, 30, 35, 40, 45, 50
Count by 10s (add 10 each time -- end in 0):
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Key Words
Word
Meaning
Skip counting
Counting by jumping over numbers in equal steps
Count by 2s
Adding 2 each time: 2, 4, 6, 8...
Count by 5s
Adding 5 each time: 5, 10, 15, 20...
Count by 10s
Adding 10 each time: 10, 20, 30, 40...
Pattern
Numbers that follow a rule
Examples
Ravi has 5 pairs of shoes. Count by 2s: 2, 4, 6, 8, 10. He has 10 shoes.
Arjun has 6 bags with 10 marbles each. Count by 10s: 10, 20, 30, 40, 50, 60. He has 60 marbles.
Mathematics -- Class 2 (continued)
Topic: Skip Counting -- Practice
Key Points to Remember
Skip counting means adding the same number each time.
Counting by 2s gives even numbers: 2, 4, 6, 8, 10...
Counting by 5s gives numbers ending in 0 or 5: 5, 10, 15, 20...
Counting by 10s gives numbers ending in 0: 10, 20, 30, 40...
Skip counting helps us count large groups quickly.
A. Fill in the Blanks
Count by 2s: 2, 4, 6, , 10, .
Count by 5s: 5, 10, , 20, .
Count by 10s: 10, 20, , 40, .
Count by 2s: 12, 14, 16, , 20.
Count by 10s: 50, 60, , 80, .
B. Choose the Correct Answer
What comes next when counting by 5s? 25, 30, 35, ___
a) 36b) 40c) 45
What comes next when counting by 10s? 60, 70, 80, ___
a) 85b) 90c) 100
Meena has 5 bags with 2 apples each. How many apples in all?
a) 5b) 10c) 7
C. Short Answer
Write all numbers when counting by 2s from 2 to 20.
Ravi has 4 boxes with 10 pencils each. Count by 10s to find the total number of pencils.