Multiplication Strategies Review

The area model represents 14 X 76.

Which answer shows all the correct partial products?

• 700 + 280 + 60 + 24

• 70 + 280 + 60 + 24

• 700 + 28 + 60 + 24

• 700 + 280 + 6 + 24

Tags

CCSS.4.NBT.B.5

The area model represents 23 X 47.

Which answer shows all the correct partial products?

• 800 + 140 + 12 + 21

• 800 + 140 + 120 + 21

• 80 + 140 + 120 + 21

• 800 + 14 + 120 + 21

Tags

CCSS.4.NBT.B.5

The area model represents 38 X 16.

Which answer shows all the correct partial products?

• 300 + 180 + 8 + 48

• 30 + 180 + 80 + 48

• 300 + 180 + 80 + 48

• 300 + 18 + 80 + 48

Tags

CCSS.4.NBT.B.5

What does the phrase "Partial Product" actually mean?

• A type of bird

• The answer to a multiplication problem

• Part of the whole answer to a multiplication problem

• A type of cheese

Tags

CCSS.4.NBT.B.5

Complete the partial product multiplication problem.

d

c

b

a

60

24

80

200

Tags

CCSS.5.NBT.B.5

26 x 14 = ?

Tags

CCSS.4.NBT.B.5

28 x 11 = ?

Tags

CCSS.4.NBT.B.5

Complete the area model (box method) partial products.

a

b

c

d

100

70

56

80

Tags

CCSS.4.NBT.B.5

What's the first step when using the standard algorithm?

• 1 x 1

• 1 x 2

• 6 x 2

• 6 x 3

Tags

CCSS.4.NBT.B.5

What's the next step when following the standard algorithm?

• 1 x 1

• 6 x 2

• 6 x 1

• 1 x 2

Tags

CCSS.4.NBT.B.5