Understanding Decimal Notation and Place Value

Mardo introduces decimal notation and place value, explaining how fractions can be expressed as decimals. The video covers the concept of place value, showing how the position of a digit affects its value. It also discusses base 10 numbers and their role in determining decimal places. Mardo demonstrates converting fractions to decimals by adjusting the denominator to a base 10 number. The video concludes with a call to action for viewers to subscribe.

What does decimal notation allow us to do with fractions?

• Express them as decimal points and numbers

• Turn them into integers

• Express them as whole numbers

• Convert them into percentages

In the number 678, what is the place value of the digit 7?

• Ones place

• Tens place

• Thousands place

• Hundreds place

What happens to the place value when a decimal point is added to a number?

• It shifts to the right

• It doubles

• It shifts to the left

• It remains the same

How many digits should follow the decimal point in a base 10 number with two zeros?

• Four digits

• Three digits

• One digit

• Two digits

What is the place value of the digit 5 in the number 6.8915?

• 5 ten-thousandths

• 5 thousandths

• 5 hundredths

• 5 tenths

To convert the fraction 3/5 into a decimal, what should the denominator be changed to?

• 1

• 10

• 5

• 100

When converting a fraction to a decimal, what must be done to both the numerator and the denominator?

• Add the same number

• Divide by the same number

• Subtract the same number

• Multiply by the same number

What is the decimal notation for the fraction 6/10?

• 60.0

• 0.06

• 6.0

• 0.6

What is the decimal equivalent of the fraction 16/100?

• 16.0

• 1.6

• 0.16

• 0.016

What is the key takeaway about the relationship between fractions and decimals?

• Decimals are only used for whole numbers

• Fractions can be expressed as decimals using place value

• Fractions cannot be converted to decimals

• Decimals are always larger than fractions