Exploring Decimal Forms: Expanded, Word, and Standard

This video tutorial by Mr. J covers the concepts of decimal expanded form, word form, and standard form. It begins with an introduction to the importance of understanding decimal forms. The video then provides a detailed explanation of expanded form, demonstrating how to express decimals using both decimal and fractional representations. Next, it explains how to write decimals in word form, emphasizing the 'first name, last name' approach. Finally, the video covers standard form, showing how to convert from word and expanded forms to standard numerical representation. Throughout, common mistakes are highlighted to aid understanding.

What is the value of the digit 7 in the number 0.75?

• 7

• 0.7

• 0.007

• 0.07

How would you write 0.75 in expanded form using fractions?

• 7/100 + 5/10

• 7/10 + 5/10

• 7/100 + 5/1000

• 7/10 + 5/100

In the number 0.075, what place value does the digit 7 hold?

• Ten-thousandths

• Thousandths

• Hundredths

• Tenths

How do you write the number 15.4 in expanded form using decimals?

• 15 + 0.4

• 10 + 5 + 4

• 1 + 5 + 0.4

• 10 + 5 + 0.4

What is the word form of the decimal 0.75?

• Seventy-five hundredths

• Seventy-five tenths

• Seven five hundredths

• Seven five tenths

How would you write 3.207 in word form?

• Three and two hundred seven

• Three and two hundred seven hundredths

• Three and two hundred seven tenths

• Three and two hundred seven thousandths

What is the standard form of 'sixty-two thousandths'?

• 0.0062

• 0.62

• 0.00062

• 0.062

How do you write 'three and sixteen hundredths' in standard form?

• 3.16

• 3.0016

• 3.160

• 3.016

What is the standard form of the expanded form 40 + 1 + 0.03 + 0.007?

• 41.37

• 41.037

• 40.137

• 41.007

Convert the expanded form 800 + 50 + 0.2 + 0.09 to standard form.

• 800.59

• 850.209

• 805.29

• 850.29