Mastering Double Digit Multiplication Techniques

Why is it important to align numbers by place value in double digit multiplication?

• To avoid using graph paper

• To make the numbers look neat

• To ensure accurate addition of partial products

• To make the multiplication faster

Tags

CCSS.5.NBT.B.5

What is the first step in double digit multiplication?

• Align the numbers by place value

• Use graph paper

• Multiply the tens column

• Add the partial products

Tags

CCSS.4.NBT.B.5

When multiplying 27 by 34, what is the result of 4 times 7?

• 14

• 28

• 35

• 21

Tags

CCSS.4.NBT.B.5

What do you do with the 2 in the result of 4 times 7?

• Add it to the next product

• Regroup it into the tens column

• Ignore it

• Place it in the ones column

Tags

CCSS.4.NBT.B.5

What placeholder is used in the ones column when multiplying by the tens digit?

• 2

• 1

• None

• 0

Tags

CCSS.4.NBT.B.5

What is the result of 3 times 7 in the tens column multiplication?

• 27

• 30

• 24

• 21

Tags

CCSS.4.NBT.B.5

What do you do with the regrouped 2 from the tens column multiplication?

• Regroup it into the tens column

• Ignore it

• Add it to the next product

• Place it in the ones column

Tags

CCSS.5.NBT.B.5

What is the sum of 108 and 810?

• 908

• 1018

• 1008

• 918

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Why is it recommended to use graph paper for double digit multiplication?

• To make the multiplication faster

• To ensure accurate alignment of numbers

• To make the numbers look neat

• To avoid mistakes

Tags

CCSS.4.NBT.B.5

What is the final product of 27 multiplied by 34?

• 918

• 810

• 108

• 1008

Tags

CCSS.4.NBT.B.5