Decimal Multiplication and Division Mastery

What is the initial approach to simplify decimal multiplication?

• Ignore the decimal points entirely

• Use a calculator

• Multiply the decimals as they are

• Convert decimals to fractions

Tags

CCSS.5.NBT.B.7

What must be adjusted in the final answer of a decimal multiplication problem?

• The overall value

• Nothing needs to be adjusted

• The decimal point's position

• The number of digits

Tags

CCSS.5.NBT.B.7

In the example given, what are the pretend whole numbers used for multiplication?

• 365 and 24

• 3.65 and 2.4

• 3650 and 240

• 36.5 and 24

Tags

CCSS.5.NBT.A.2

How many places to the right were the decimal points shifted in the example?

• Two places for both numbers

• Two for the first and one for the second

• One place for both numbers

• Three places for both numbers

Tags

CCSS.5.NBT.B.7

What is the correct final answer for the multiplication example?

• 87.6

• 8760

• 876

• 8.76

Tags

CCSS.5.NBT.A.2

Why do we shift the decimal point in our final answer?

• To increase the value

• To decrease the value

• To match the original numbers' scale

• Because it's a rule

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What makes decimal division considered not much harder than whole number division?

• The presence of a decimal divisor

• Ignoring the decimals entirely

• The absence of a decimal divisor

• Using a calculator

Tags

CCSS.5.NBT.B.7

In decimal division, when is the procedure slightly different?

• When dividing by a whole number

• When the dividend is a whole number

• It's never different

• When the divisor is a decimal

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What should you do with the decimal point in the answer of a division problem?

• Bring it straight up from the dividend

• Move it to the right

• Remove it

• Ignore it

Tags

CCSS.5.NBT.B.7

What is the result of dividing 12.64 by 4?

• 3.16

• 31.6

• 316

• 3.1

Tags

CCSS.5.NBT.B.7