Mastering Decimal Multiplication in 5th Grade

This video is a mastery check for multiplying decimals, led by Mr. J. It begins with an introduction to the mastery check process, followed by instructions on how to complete it. Students are encouraged to solve six problems independently and then check their answers with the provided solutions. The video concludes with a summary of the mastery check and an introduction to the next topic, dividing decimals.

What is the primary goal of the mastery check?

• To learn new concepts about multiplying decimals

• To introduce dividing decimals

• To test understanding of multiplying decimals

• To review previous math lessons

Tags

CCSS.1.OA.A.1

How many problems must you solve correctly to demonstrate mastery?

• All six problems

• At least five problems

• Three out of six problems

• At least one problem

Tags

CCSS.5.NBT.B.7

In problem 1, what is the correct placement of the decimal in the answer?

• Two places from the right

• One place from the right

• Three places from the right

• No decimal needed

Tags

CCSS.5.NBT.B.7

For problem 2, how many digits should be to the right of the decimal in the answer?

• One

• None

• Three

• Two

Tags

CCSS.5.NBT.B.7

What is the correct answer for problem 3?

• 4950

• 495

• 49.5

• 4.95

Tags

CCSS.5.NBT.B.7

In problem 4, where should the decimal be placed in the final answer?

• No decimal needed

• Between 1 and 0

• Between 0 and 5

• After 3

Tags

CCSS.5.NBT.B.7

How many digits are behind the decimal in the answer to problem 5?

• Three

• Two

• One

• None

Tags

CCSS.5.NBT.B.7

What is the final answer for problem 6?

• 3775.68

• 377568

• 377.568

• 37756.8

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What should you do if you didn't get five or six problems correct?

• Skip the mastery check

• Repeat all the problems until correct

• Move on to dividing decimals

• Review where you went wrong

Tags

CCSS.6.NS.B.3

What is the next topic after mastering multiplying decimals?

• Adding decimals

• Subtracting decimals

• Multiplying fractions

• Dividing decimals

Tags

CCSS.6.NS.B.3