Understanding Decimals

This video tutorial explains how to write decimals in words by reviewing decimal notation and place value. It uses base ten blocks to model decimals and provides examples of writing both simple and complex decimals in words. The tutorial emphasizes converting decimals to common units for easier reading.

What is the purpose of a decimal point in decimal notation?

• To denote negative numbers

• To indicate multiplication

• To separate whole numbers from fractions

• To separate numbers into even and odd

How many flats are needed to make one whole in base ten blocks?

• One

• Ten

• One hundred

• One thousand

In the number 3.21, what does the digit '2' represent?

• Two hundredths

• Two ones

• Two thousandths

• Two tenths

How would you write 3.21 in words?

• Three and twenty-one hundredths

• Three point two one

• Three and two tenths and one hundredth

• Three and twenty-one tenths

What is the rightmost place value in the number 3.21?

• Thousandths

• Hundredths

• Tenths

• Ten-thousandths

In the number 1.638, what does the digit '8' represent?

• Eight hundredths

• Eight tenths

• Eight ten-thousandths

• Eight thousandths

How would you write 1.638 in words?

• One and six hundred thirty-eight hundredths

• One and six hundred thirty-eight tenths

• One and six tenths, three hundredths, and eight thousandths

• One and six hundred thirty-eight thousandths

What is the place value of the digit '3' in the number 1.638?

• Tenths

• Hundredths

• Thousandths

• Ten-thousandths

How many bits are equivalent to one flat in base ten blocks?

• Ten thousand

• One thousand

• One hundred

• Ten

What is the equivalent of three hundredths in thousandths?

• Three hundred thousandths

• Three thousand

• Thirty thousandths

• Three thousandths