Skip Counting by 10s
Count by 10s like counting ₦10 notes.
🎯 What You'll Learn
You will learn to skip count by 10s. This is one of the most useful skills for handling money in Nigeria!
🏪 Market Story
Chidi's father drives a keke (tricycle) in Aba. At the end of the day, he empties his pocket of ₦10 notes and asks Chidi to count them. Chidi lays them out and counts by tens: "₦10, ₦20, ₦30, ₦40, ₦50, ₦60, ₦70, ₦80, ₦90, ₦100." He counted 10 notes. "Papa, you have ₦100!" Chidi says.
📝 Let's Learn
Skip counting by 10s is the easiest skip counting pattern: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.
Every number ends in 0. You just say the tens: ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety, one hundred.
Example 1: Count seven ₦10 notes: ₦10, ₦20, ₦30, ₦40, ₦50, ₦60, ₦70.
Example 2: Keep counting from 100: 110, 120, 130, 140, 150... the pattern never stops!
Example 3: Funke sees 12 piles of 10 oranges. She counts: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120. There are 120 oranges.
✏️ Practice Questions
- Skip count by 10s from 10 to 100.
- Bola has 8 notes of ₦10. How much money does she have?
- What comes next: 130, 140, 150, ___?
Click to see answers
- 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.
- Bola has ₦80. Count: ₦10, ₦20, ₦30, ₦40, ₦50, ₦60, ₦70, ₦80.
- The next number is 160.
💡 Remember
Counting by 10s is the fastest way to count money. Every number ends in 0. If you can count by 10s, you are already doing great with numbers!