Mastering Multiplication of Decimals with Area Models

What does the area model help to visualize in mathematics?

• Division techniques

• Multiplication visualization

• The process of addition

• The concept of subtraction

Tags

CCSS.4.NBT.B.5

What represents one whole in the area model discussed?

• A single square unit

• A hundreds grid

• A group of ten squares

• A single base 10 block

How is 2 multiplied by 3 represented in the area model?

• 6 base 10 blocks

• 6 square units

• 2 groups of 3 squares

• 3 groups of 2 squares

Tags

CCSS.4.NBT.B.5

What is the result of multiplying 1 and 4/10 by 2 using the area model?

• 2 and 8/10

• 2 and 6/10

• 3 and 2/10

• 2 and 4/10

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

How do you represent 2 and 3/10 multiplied by 1 and 1/10 using the area model?

• Using a single base 10 block

• By creating an array of 2.3 by 1.1

• Through 23 by 11 square units

• By drawing two rectangles

Tags

CCSS.5.NF.B.6

What is the final result of multiplying 2 and 4/10 by 1 and 4/10?

• 3 and 36/100

• 3 and 56/100

• 3 and 16/100

• 3 and 46/100

Tags

CCSS.5.NF.B.6

How can decimal multiplication be represented without base 10 blocks?

• Using a standard algorithm

• Drawing an array on paper

• By memorization

• Using a calculator

Tags

CCSS.5.NBT.B.7

What is the outcome of 1 and 3/10 multiplied by 2 and 4/10 on paper?

• 3 and 12/100

• 3 and 22/100

• 3 and 42/100

• 3 and 32/100

Tags

CCSS.5.NF.B.6

What does the process of regrouping involve in decimal multiplication?

• Trading hundreds for tens and tens for ones

• Rearranging the decimal points

• Adding the numbers instead of multiplying

• Multiplying each digit separately

Tags

CCSS.5.NBT.B.7

What is the result of 1 and 5/10 multiplied by 2 and 3/10 using the model?

• 3 and 45/100

• 3 and 55/100

• 4 and 45/100

• 3 and 35/100

Tags

CCSS.5.NF.B.6