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

How do you use an area model for 32 x 28?

Back

You can break 32 into 30 and 2, and 28 into 20 and 8, then create a grid to find the partial products: (30x20), (30x8), (2x20), (2x8).

Tags

CCSS.4.NBT.B.5

Front

What is an array in multiplication?

Back

An array is a set of objects arranged in rows and columns that helps visualize multiplication.

Tags

CCSS.3.OA.A.1

Front

What multiplication problem can be represented by a 3x5 array?

Back

3 x 5 = 15.

Tags

CCSS.3.OA.A.1

Front

What are partial products in multiplication?

Back

Partial products are the results of multiplying each part of the numbers separately before adding them together.

Tags

CCSS.4.NBT.B.5

Front

Calculate the partial products for 43 x 56 using an area model.

Back

2000 + 240 + 150 + 18.

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

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

Back

Add all the partial products together to get the total area.

Tags

CCSS.4.NBT.B.5

Front

What does the term 'distributive property' mean in multiplication?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to break numbers into parts.

Tags

CCSS.3.OA.B.5

Front

What is the product of 24 x 26 using an area model?

Back

You can break it down into (20 + 4)(20 + 6) and find the partial products.

Tags

CCSS.4.NBT.B.5