Multiplying using Area Models and Partial Product

Front

What is an area model in multiplication?

Back

An area model is a visual representation of multiplication where the lengths of the sides of a rectangle represent the factors being multiplied.

Tags

CCSS.4.NBT.B.5

Front

What are partial products?

Back

Partial products are the results of multiplying each digit of one factor by each digit of another factor, before adding them together to get the final product.

Tags

CCSS.4.NBT.B.5

Front

How do you find the product of 54 x 9 using partial products?

Back

Break down 54 into 50 and 4. Then, calculate (50 x 9) + (4 x 9) = 450 + 36 = 486.

Tags

CCSS.4.NBT.B.5

Front

What does the number 2 represent in the number 24?

Back

The number 2 in 24 represents 20, as it is in the tens place.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What is the value of 3 in the number 630?

Back

The value of 3 in 630 is 300, as it is in the hundreds place.

Tags

CCSS.4.NBT.A.1

Front

How do you represent 2 x 10 in an area model?

Back

Draw a rectangle with one side measuring 2 units and the other side measuring 10 units. The area of the rectangle represents the product.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in using the partial product method?

Back

The first step is to break down the larger number into its place values.

Tags

CCSS.4.NBT.B.5

Front

If you multiply 30 by 2, what is the partial product?

Back

The partial product is 60, calculated as (30 x 2).

Tags

CCSS.4.NBT.B.5

Front

What is the equation represented by box B if it shows 2 groups of 10?

Back

The equation is 2 x 10.

Tags

CCSS.3.OA.C.7

Front

How do you calculate the total area in an area model?

Back

Add all the partial areas together to find the total area, which represents the product.

Tags

CCSS.4.NBT.B.5