Understanding Decimal Notation and Place Value

In this video, Mardo explains decimal notation and place value, showing how fractions can be expressed as decimals. The video covers the concept of place value, base 10 numbers, and how to convert fractions to decimals. It includes examples and practice exercises to reinforce learning. The video concludes with a call to subscribe for more content.

What does decimal notation allow us to do with fractions?

• Divide them by their denominators

• Express them as a decimal point and a number

• Convert them into whole numbers

• Multiply them by ten

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

• Ones place

• Thousands place

• Tens place

• Hundreds place

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

• They remain unchanged

• They shift to the left

• They become whole numbers

• They shift to the right

How does the number of zeros in a base 10 number affect the decimal point?

• It determines the number of digits before the decimal point

• It determines the number of digits after the decimal point

• It has no effect

• It doubles the value of the number

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

• 5 ten-thousandths

• 5 hundredths

• 5 tenths

• 5 thousandths

What is the first step in converting a fraction to a decimal?

• Add a decimal point

• Change the numerator to a base 10 number

• Change the denominator to a base 10 number

• Multiply the fraction by 10

When converting 3/5 to a decimal, what should the denominator be changed to?

• 20

• 10

• 15

• 5

What is the decimal notation for the fraction 3/5?

• 0.8

• 0.6

• 0.5

• 0.3

In the example of 8/50, what is the new fraction after converting the denominator to a base 10 number?

• 8/100

• 16/100

• 8/10

• 16/10

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

• 0.16

• 0.60

• 1.6

• 0.06