Area Models & Arrays 2 digit by 2 digit multiplication

Front

What is an area model in multiplication?

Back

An area model is a visual representation of multiplication where the length and width of a rectangle represent the factors being multiplied.

Tags

CCSS.4.NBT.B.5

Front

What does 14 x 14 represent in an area model?

Back

It represents a square with each side measuring 14 units, and the total area is 196 square units.

Tags

CCSS.4.NBT.B.5

Front

What are partial products in multiplication?

Back

Partial products are the results of multiplying each digit of one factor by each digit of the other factor, before adding them together.

Tags

CCSS.4.NBT.B.5

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a rectangle with a length of 14 and a width of 14?

Back

The area is 14 x 14 = 196.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the first step in using an area model for 38 x 16?

Back

Break down the numbers into tens and ones: 38 = 30 + 8 and 16 = 10 + 6.

Tags

CCSS.4.NBT.B.5

Front

What are the partial products for 38 x 16?

Back

300 (30 x 10) + 180 (30 x 6) + 80 (8 x 10) + 48 (8 x 6).

Tags

CCSS.5.NBT.B.5

Front

What is the missing partial product in the area model for 11 x 29?

Back

The missing partial product is 90.

Tags

CCSS.4.NBT.B.5

Front

How do you represent 24 x 26 in an area model?

Back

Break down 24 into 20 + 4 and 26 into 20 + 6, then find the partial products.

Tags

CCSS.4.NBT.B.5

Front

What is the total area for 14 x 14?

Back

The total area is 196.