IXL | Compose and decompose decimals in multiple ways

Which of these are equal to 471.25? Select all that apply.

400

0.25

470

0.2

0.5

400

0.2

0.05

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Learn with an example

question

Which of these are equal to 12.018? Select all that apply.

0.01

0.08

0.1

0.08

0.01

0.008

solution

To see which expressions are equal to 12.018, rewrite each as a decimal in standard form.

Look at this expression:

0.01

0.08

First, find what the whole number parts are equal to.

Then, find what the decimal parts are equal to.

0.01

0.08

0.09

Put the whole number and decimal parts together:

0.09

12.09

This expression is not equal to 12.018.

Look at this expression:

0.1

0.08

First, find what the whole number parts are equal to. Then, find what the decimal parts are equal to.

0.1

0.08

0.18

Put the whole number and decimal parts together:

0.18

12.18

This expression is not equal to 12.018.

Look at this expression:

0.01

0.008

The whole number part is 12. Find what the decimal parts are equal to.

0.01

0.008

0.018

Put the whole number and decimal parts together:

0.018

12.018

Looking for more? Try these:

Lesson: Writing decimals in expanded form

Lesson: Writing decimals in word form

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Teacher tools

Work it out

Not feeling ready yet? These can help:

W.6Convert decimals between standard and expanded form

Lesson: Writing decimals in expanded form

Lesson: Writing decimals in word form

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