What Does '10 Less Than' Mean? Definition and Examples for Children

📚 Understanding '10 Less Than'

'10 less than' means subtracting 10 from a given number. It's like counting backward 10 steps from that number. Here's a breakdown:

• 🔍Definition: '10 less than' indicates a subtraction operation where you take away 10 from a number.
• 🔢Formula: If you have a number, let's call it $x$, then '10 less than $x$' can be written as: $x - 10$.
• 💡Example 1: What is 10 less than 25? Solution: $25 - 10 = 15$
• 📝Example 2: What is 10 less than 12? Solution: $12 - 10 = 2$
• 🍎Example 3: If you have 30 apples and give away 10, how many do you have left? Solution: $30 - 10 = 20$ apples.
• 🧠Tip: Always make sure to subtract 10 from the number given in the problem.

Practice Quiz

1. What is 10 less than 20?
   A) 5
   B) 10
   C) 30
   D) 15
2. What is 10 less than 45?
   A) 25
   B) 35
   C) 55
   D) 40
3. What is 10 less than 100?
   A) 110
   B) 80
   C) 90
   D) 70
4. What is 10 less than 17?
   A) 27
   B) 10
   C) 7
   D) 12
5. What is 10 less than 32?
   A) 42
   B) 22
   C) 12
   D) 30
6. What is 10 less than 61?
   A) 71
   B) 51
   C) 41
   D) 60
7. What is 10 less than 99?
   A) 109
   B) 89
   C) 79
   D) 90