Exploring the Area Model for Multiplying Decimals

What is the first step in multiplying a decimal by a whole number using an area model?

• Highlighting the decimal

• Multiplying the whole number

• Counting the number of groups

• Drawing the area model

Tags

CCSS.5.NBT.B.7

How many groups of 54 hundredths are needed in the example?

• Five

• Two

• Three

• Four

Tags

CCSS.5.NBT.B.7

What tool is used to highlight one group of 54 hundredths?

• Pencil

• Highlighter

• Pen

• Marker

When creating multiple groups, what should you do after completing one group?

• Continue in the same row

• Start a new row

• Erase the previous group

• Change the color of the highlighter

Tags

CCSS.2.OA.C.3

How many groups of 54 hundredths are created in total?

• Three

• Two

• Four

• Five

Tags

CCSS.5.NBT.A.3B

What is the next step after creating all groups of 54 hundredths?

• Multiply the groups

• Erase the groups

• Combine the groups to form whole numbers

• Highlight the groups again

How many whole numbers are formed after combining the groups?

• One

• Two

• Three

• Four

Tags

CCSS.4.NBT.A.2

What is the remaining decimal after forming the whole numbers?

• 0.17

• 0.15

• 0.14

• 0.16

Tags

CCSS.5.NBT.B.7

What is the final step to verify the result?

• Check the result using the standard multiplication algorithm

• Recalculate using a calculator

• Ask a friend to verify

• Redo the area model

Tags

CCSS.4.NBT.B.5

Where should the decimal place be in the final answer?

• Two spaces to the left

• One space to the left

• Four spaces to the left

• Three spaces to the left

Tags

CCSS.5.NBT.B.7