Partial Products

Front

What is a partial product?

Back

A partial product is the result of multiplying a single digit of one number by the entire other number in a multiplication problem.

Tags

CCSS.4.NBT.B.5

Front

How do you break down the number 129 for multiplication?

Back

You can break down 129 into 100, 20, and 9 for easier multiplication.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in finding the partial product of 129 x 8?

Back

Multiply 100 by 8 to get 800.

Tags

CCSS.4.NBT.B.5

Front

What is the second step in finding the partial product of 129 x 8?

Back

Multiply 20 by 8 to get 160.

Tags

CCSS.4.NBT.B.5

Front

What is the third step in finding the partial product of 129 x 8?

Back

Multiply 9 by 8 to get 72.

Tags

CCSS.4.NBT.B.5

Front

How do you find the total product using partial products?

Back

Add all the partial products together.

Tags

CCSS.4.NBT.B.5

Front

What is the total product of 129 x 8 using partial products?

Back

The total product is 800 + 160 + 72 = 1032.

Tags

CCSS.5.NBT.B.5

Front

Which expression is the same as 45 x 4?

Back

(40 x 4) + (5 x 4) is the same as 45 x 4.

Tags

CCSS.3.OA.B.5

Front

What is the partial product of 45 x 4 when using the breakdown?

Back

The partial products are 160 (40 x 4) and 20 (5 x 4), totaling 180.

Tags

CCSS.5.NBT.B.5

Front

What is the missing partial product for 60 x 1?

Back

The missing partial product is 60.

Tags

CCSS.4.NBT.B.5