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About this unit

In this topic, we will learn what a decimal is and how to show it visually and on a number line. We will also add, subtract, multiply, and divide with decimals.

Intro to decimals

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Decimal place value intro

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Quiz 1

Identify your areas for growth in these lessons:
Intro to decimals
Decimal place value intro

Decimals on the number line

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Rewriting decimals as fractions

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Quiz 2

Identify your areas for growth in these lessons:
Decimals on the number line
Rewriting decimals as fractions

Adding decimals

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Adding decimals: standard algorithm

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Quiz 3

Identify your areas for growth in these lessons:
Adding decimals
Adding decimals: standard algorithm

Subtracting decimals

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Subtracting decimals: standard algorithm

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Adding and subtracting decimals word problems

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Quiz 4

Identify your areas for growth in these lessons:
Subtracting decimals
Subtracting decimals: standard algorithm
Adding and subtracting decimals word problems

Multiplying decimals

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Multiplying decimals: standard algorithm

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Practice

Quiz 5

Identify your areas for growth in these lessons:
Multiplying decimals
Multiplying decimals: standard algorithm

Dividing decimals

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Dividing decimals: standard algorithm

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Practice

Quiz 6

Identify your areas for growth in these lessons:
Dividing decimals
Dividing decimals: standard algorithm

Significant figures

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Unit test

Test your understanding of Decimals with these 25 questions.