Let's try

Put the lengths in order starting with the shortest.
50cm   12cm   31cm   97cm   5cm
Shortest               →               Longest

  • Read the question and read it again. What do you have to do?
Show me

Order the lengths from shortest to longest.

  • Are all the units the same?
Show me

Yes.

  • Which number is the smallest?
    How many tens and ones in each number?
Show me

5cm

  • Put them in order.
Show me

5, 12, 31, 50, 97

  • What is your answer?
Show me

5cm, 12cm, 31cm, 50cm, 97cm

  • Check your answer.