PSAT Math : How to subtract decimals

Study concepts, example questions & explanations for PSAT Math

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Example Questions

Example Question #31 : Other Decimals

Round the answer to the nearest tenth.

 

Possible Answers:

Correct answer:

Explanation:

0.57 - 2.657 = -2.087

Don't forget the negative sign!

This number then rounds to -2.1.

Example Question #2 : How To Subtract Decimals

Simplify:

Possible Answers:

Correct answer:

Explanation:

Start by simplifying within the parentheses:

Then add/subtract each number

When you finish simplifying, the answer is 0.

Example Question #1 : How To Subtract Decimals

Find the difference.

Possible Answers:

Correct answer:

Explanation:

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