Decimal Forms and Comparisons

Decimal Forms and Comparisons

Standard Form

​Standard = Regular or Normal

Example: 35.89

Multiple Choice

What is the standard form of twenty for AND thirty six hundredths?

• .2436

• 24.36

• 2.436

• 24.036

Word or Written Form

• When you write the words you say when you write the number.

• Example: thirty five AND eighty nine hundredTHS.

Multiple Choice

What is 5.345 in written form?

• five AND three hundred forty five tenTHS

• five AND three hundred forty five thousandTHS

• five AND three hundred forty five hundredTHS

• five thousand three hundred forty five

Expanded Form

• ​Showing the value of each digit in a number separately.

• Example: 30 + 5 + 0.8 + 0.09

• Or... (3 x 10) + (5 x 1) + (8 x 0.1) + (9 x 0.01)

Multiple Choice

What is the expanded form of 4.567?

• 4+0.5+0.06+0.007

• 4+50+600+7000

• 4+5+6+7

• 4+0.5+0.6+0.7

Comparing Decimals

• ​When you compare decimals, you are deciding if a decimal is larger or smaller than another.

• Line up the digits so that you can compare their values from left to right.

• 5.34

• 5.56

• 5.34 < 5.56 because the 5 in the tenths place is higgher tha the 3 in the tenths place.
  

Multiple Choice

Compare.

4.56 ___4.457

• 4.56 < 4.457

• 4.56 = 4.457

• 4.56 > 4.457

Practice Time!!

Multiple Choice

What is the standard form for 3 + 0.8 + 0.09 + 0.002?

• 389.2

• 38.92

• 3,892

• 3.892

Multiple Choice

Which decimal number represents seven hundred ninety-two and five hundredths?

• 792.500

• 
  792.005

• 792.05

• 
  792,500

Multiple Choice

Which of the following choices is the correct way to write the following number in word form?
176.003

• 
  one hundred and seventy six and three hundredths

• 
  one hundred seventy-six and three hundredths

• one hundred seventy-six and three thousandths

• one hundred seventh-six and three tenths

Multiple Choice

Which number shows seventy-three hundredths in standard form?

• 7,300

• 0.73

• 7.3

• 0.073

Multiple Choice

What is the expanded form of 34.507? Choose 2 answers.

• 30+4+0.5+0.00+0.007

• 3+4+5+0+7

• 30+4+50+7

• 
  30+4+0.5+0.007

Multiple Choice

Between 4.08 and 4.7 which is larger?

• 
  4.08

• 4.7

Multiple Choice

Between 0.6 and 0.85 which is larger?

• 0.06

• 0.85

Multiple Choice

Between 0.37 and 0.216 which is larger?

• 0.37

• 
  0.216

Multiple Choice

Between 0.5 and 0.36 which is larger?

• 
  0.5

• 
  0.36