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, used in the process of multiplication.

Tags

CCSS.4.NBT.B.5

Front

How do you break down the number 129 for multiplication?

Back

129 can be broken down into 100, 20, and 9.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in using partial products to multiply 129 x 8?

Back

Multiply 100 by 8 to get 800.

Tags

CCSS.4.NBT.B.5

Front

What is the second step in using partial products to multiply 129 x 8?

Back

Multiply 20 by 8 to get 160.

Tags

CCSS.4.NBT.B.5

Front

What is the third step in using partial products to multiply 129 x 8?

Back

Multiply 9 by 8 to get 72.

Tags

CCSS.4.NBT.B.5

Front

How do you find the total when using partial products?

Back

Add all the partial products together: 800 + 160 + 72 = 1032.

Tags

CCSS.4.NBT.B.5

Front

What is the expression for 45 x 4 using partial products?

Back

(40 x 4) + (5 x 4) = 160 + 20 = 180.

Tags

CCSS.4.NBT.B.5

Front

What is the expression for 62 x 23 using partial products?

Back

(60 x 20) + (60 x 3) + (2 x 20) + (2 x 3) = 1200 + 180 + 40 + 6 = 1426.

Tags

CCSS.5.NBT.B.5

Front

What is the purpose of using partial products in multiplication?

Back

Partial products help simplify the multiplication process by breaking it down into smaller, more manageable parts.

Tags

CCSS.4.NBT.B.5

Front

What is the missing number in the multiplication of 129 x 8?

Back

The missing number is 1,032.

Tags

CCSS.4.NBT.B.5