Dividing Decimals Mastery Check

In this video, Mr. J guides fifth-grade students through a mastery check on dividing decimals with whole number divisors. The video begins with an introduction and instructions for the mastery check, followed by detailed solutions and explanations for four division problems. Each problem is solved step-by-step, emphasizing the importance of checking work and understanding the division process. The video concludes with a brief introduction to the next topic, dividing decimals by decimal divisors, and encourages students to review their mistakes and continue practicing.

What should you do if you need more help with dividing decimals?

• Ask a friend for the answers.

• Watch the instructional video linked in the description.

• Skip the mastery check.

• Guess the answers.

What is the first step when dividing 87.2 by 2?

• Bring the decimal point straight up.

• Subtract the numbers.

• Multiply the numbers.

• Add the numbers.

How many groups of 2 can be taken from 8 in the division of 87.2 by 2?

• 5

• 4

• 3

• 2

When dividing 173.5 by 5, what is the result of 17 divided by 5?

• 5

• 4

• 3

• 2

What is the next step after bringing down the 3 in the division of 173.5 by 5?

• Multiply by 5.

• Add 5.

• Subtract 5.

• Divide 23 by 5.

Why is the result of dividing 1.44 by 12 less than one?

• Because 1.44 is being split into 12 parts.

• Because 12 is a small number.

• Because 12 is being split into 1.44 parts.

• Because 1.44 is a large number.

What is the result of dividing 24 by 12 in the problem 1.44 divided by 12?

• 1

• 2

• 3

• 4

In the division of 48.96 by 9, how many groups of 9 can be taken from 48?

• 6

• 5

• 4

• 3

What is the final step in the division of 48.96 by 9?

• Divide by 9 again.

• Multiply by 9.

• Subtract to get zero.

• Add the numbers.

What should you do if you did not get 3 or 4 correct answers in the mastery check?

• Move on to the next topic.

• Ask someone else to do it for you.

• Review where you went wrong.

• Ignore the mistakes.