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We are going to make the largest and smallest 3-digit numbers from five given digits.
Let's pretend we can only use the digits 2, 3, 4, 5 and 6.
To make the largest number
Start with the largest digit in the Hundreds column.
This is 6.
Then comes the next digit down in the Tens column.
This is 5.
Lastly comes the next digit down in the Units or Ones column.
This is 4.
The largest number is 654
To make the smallest number
Start with the smallest digit in the Hundreds column.
This is 2.
Then comes the next largest digit in the Tens column.
This is 3.
Lastly comes the next largest digit in the Units or Ones column.
This is 4.
The largest number is 234
Example
Using any 3 of the digits from:
68671
form the smallest and largest 3-digit numbers that you can make.
Answer
Put the digits in order:
16678
1 is the smallest digit
6 is the next largest digit.
6 is the next largest digit even though it is the same as the last one.
Smallest number is 166.
8 is the largest digit
7 is the next digit down.
6 is the next digit down.
Largest number is 876.
Question
/ 10Mr Shepherd
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Teacher explanation