Which number is greatest/least?

key notes :

🔍 What Does “Greatest” Mean?
  • The greatest number is the biggest number in a group.
  • Example: Between 35, 42, 17, the greatest number is 42.
🔍 What Does “Least” Mean?
  • The least number is the smallest number in a group.
  • Example: Between 20, 13, 27, the least number is 13.
🧠 How to Find the Greatest or Least Number:

Look at the number of digits

A number with more digits is greater.
Example: 3-digit number > 2-digit number.

If numbers have the same digits, compare from left to right

Example:
Compare 324 and 342
→ First digit: 3 = 3
→ Second digit: 2 < 4
So, 342 is greater.

🟨 Examples:

🔹 Find the Greatest Number:

Which is greatest: 156, 132, 198?
✅ Answer: 198

🔹 Find the Least Number:

Which is least: 409, 287, 314?
✅ Answer: 287

📝 Practice Exercise:

Circle the greatest number:
41, 58, 29

Circle the least number:
702, 689, 790

Write the greatest and least numbers:
110, 205, 198, 176

Greatest: _______

Least: _______

📚 Keywords to Remember:
  • Greatest = Biggest
  • Least = Smallest
  • Compare = Check which is more or less

Learn with an example

🗼 Which number is smaller?

  • 69
  • 70
  • When you count, 69 comes before 70. 69 is smaller than 70.

🗼Which number is largest?

  • 6
  • 37
  • 67
  • When you count, 6 comes before 37 and 37 comes before 67. 67 is the largest number.

🗼 Which number is smaller?

  • 6
  • 60
  • When you count, 6 comes before 60. 6 is smaller than 60.

Let’s practice!