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In this lesson you will learn how to add decimals by using base-ten blocks.

In this lesson you will learn how to add decimals by using the standard algorithm.

In this lesson you will learn how to multiply decimals by whole numbers by using an area model.

In this lesson you will learn how to multiply decimals by decimals by using an area model.

In this lesson you will learn how to divide decimals by using your understanding of multiplication.

In this lesson you will learn how to multiply decimals by using the standard algorithm.

In this lesson you will learn to multiply decimals by using the standard algorithm.