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This activity is about arranging decimals in order of size, smallest first.

 

Example

Place these decimals in order of size, smallest first.

 
11.64 sec
 
11.525 sec
 
11.507 sec
 
11.631 sec
 
11.458 sec
 

 

Think of this number line to put the decimals in order.

 

Decimal number line

 

Answer  11.458 seconds , 11.507 seconds , 11.525 seconds , 11.631 seconds , 11.64 seconds

 

Look at the digits in the columns from left to right. The numbers above all start with 11, so then look at the tenths column.

If the numbers have the same digit in the tenths column, move on to the next column to the right - the hundredths.

 

Does that seem easy?

 

girl thinking

 

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10 questions