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5. Decimals
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United States of AmericaTennessee
Grade 5

5.04 Partition numbers with decimals

Lesson
Practice
Lesson

Are you ready?

We can partition decimals in the same way we partitioned whole numbers. Let's try this problem to practice. 

We have written a number in the number expander.

  1. What is the value of the tens?

  2. What is the value of the hundreds?

Learn

In this video we explore how to partition decimals into multiple parts which match their place value representation. 

Vocabulary:

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

Apply

Fill in the box with the missing number.

  1. $0.358=0.3+0.05+\editable{}$0.358=0.3+0.05+

Remember!

Number expanders help us to position the number in the correct place value column which can then help us write the number using partitioning. 

 

Outcomes

5.NBT.A.3

Read and write decimals to thousandths using standard form, word form, and expanded notation (e.g., the expanded notation of 347.392 is written as (3 x 100) + (4 x 10) + (7 x 1) + (3 x (1/10)) + (9 x (1/100)) + (2 x (1/1000))). Compare two decimals to thousandths based on meanings of the digits in each place and use the symbols >, =, and < to show the relationship.

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