Multiplication Area Models (2)

Front

What is an area model in multiplication?

Back

An area model is a visual representation of multiplication that breaks down numbers into their place values to show how to multiply them using rectangles.

Tags

CCSS.4.NBT.B.5

Front

How do you represent 61 X 29 using an area model?

Back

Break down 61 into 60 and 1, and 29 into 20 and 9. Then, create rectangles for each combination: 60X20, 60X9, 1X20, and 1X9.

Tags

CCSS.4.NBT.B.5

Front

What are partial products?

Back

Partial products are the results of multiplying each part of the numbers in an area model before adding them together to get the final product.

Tags

CCSS.4.NBT.B.5

Front

Calculate the partial products for 61 X 29 using the area model.

Back

The partial products are: 60X20 = 1200, 60X9 = 540, 1X20 = 20, 1X9 = 9. Total: 1200 + 540 + 20 + 9 = 1769.

Tags

CCSS.4.NBT.B.5

Front

What is the correct representation of 53 X 82 in an area model?

Back

Break down 53 into 50 and 3, and 82 into 80 and 2. The partial products are: 50X80, 50X2, 3X80, and 3X2.

Tags

CCSS.4.NBT.B.5

Front

Calculate the partial products for 53 X 82.

Back

The partial products are: 50X80 = 4000, 50X2 = 100, 3X80 = 240, 3X2 = 6. Total: 4000 + 240 + 100 + 6 = 4346.

Tags

CCSS.5.NBT.B.5

Front

How do you represent 43 X 56 using an area model?

Back

Break down 43 into 40 and 3, and 56 into 50 and 6. Create rectangles for each combination.

Tags

CCSS.4.NBT.B.5

Front

Calculate the partial products for 43 X 56.

Back

The partial products are: 40X50 = 2000, 40X6 = 240, 3X50 = 150, 3X6 = 18. Total: 2000 + 240 + 150 + 18 = 2408.

Tags

CCSS.5.NBT.B.5

Front

What is the area model representation for 23 X 47?

Back

Break down 23 into 20 and 3, and 47 into 40 and 7. Create rectangles for each combination.

Tags

CCSS.4.NBT.B.5

Front

Calculate the partial products for 23 X 47.

Back

The partial products are: 20X40 = 800, 20X7 = 140, 3X40 = 120, 3X7 = 21. Total: 800 + 140 + 120 + 21 = 1081.

Tags

CCSS.5.NBT.B.5