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 that shows how to break down numbers into parts to find the product.

Tags

CCSS.4.NBT.B.5

Front

What does 2-digit by 2-digit multiplication mean?

Back

It refers to multiplying two numbers, each with two digits, such as 14 and 21.

Tags

CCSS.4.NBT.B.5

Front

What are partial products?

Back

Partial products are the results of multiplying each digit of one number by each digit of another number, 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 product of 10 x 5?

Back

50.

Tags

CCSS.3.NBT.A.3

Front

What is the first step in using an area model for 14 x 21?

Back

Break down 14 into 10 and 4, and 21 into 20 and 1.

Tags

CCSS.4.NBT.B.5

Front

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

Back

90.

Tags

CCSS.4.NBT.B.5

Front

What is the product of 14 x 21?

Back

294.

Tags

CCSS.4.NBT.B.5

Front

Which expression makes the equation 17 x 15 true?

Back

(17 x 10) + (17 x 5).

Tags

CCSS.3.OA.B.5

Front

What are the correct partial products for 38 x 16?

Back

300 + 180 + 80 + 48.

Tags

CCSS.4.NBT.B.5