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5.06 Order decimals

Lesson

Are you ready?

Do you remember how to order numbers? Let's try this problem to practice.

Order these numbers from largest to smallest.

  1. $11123,12311,12113$11123,12311,12113

    $\editable{}$$\editable{}$$\editable{}$

  2. $238059,248059,228509$238059,248059,228509

    $\editable{}$$\editable{}$$\editable{}$

Learn

This video looks at how to order numbers that have digits in the thousandths place.

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Question 1

Which of these sets are arranged in ascending order?

  1. $0.578,0.252,0.643$0.578,0.252,0.643

    A

    $0.643,0.578,0.252$0.643,0.578,0.252

    B

    $0.252,0.578,0.643$0.252,0.578,0.643

    C

 

Learn

This video uses a place value table to order numbers with decimals. 

Vocabulary:

Another word that we can use to describe the ones place is 'units'.

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Question 2

Order these numbers in descending order:

$9.086,9.62,9.642$9.086,9.62,9.642

  1. $\editable{},\editable{},\editable{}$,,

 

Remember!

If our numbers are not all expressed as thousandths, we can start from the leftmost place value to compare them, moving across the columns from left to the right if necessary.

We can fill any empty columns with $0$0s as a place holder.

 

Outcomes

MA.5.NSO.1.4

Plot, order and compare multi-digit numbers with decimals up to the thousandths.

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